Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
3,787 results · page 7 of 76
Sep 4, 2026In the Linux kernel, the following vulnerability has been resolved: fuse: fix race between interrupt and resend After commit f8fce75fedf7 ("fuse: clear intr_eCVE-2026-80860 · Computers, phones & browsers · Linux · reported by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
In the Linux kernel, the following vulnerability has been resolved: fuse: fix race between interrupt and resend After commit f8fce75fedf7 ("fuse: clear intr_entry in fuse_resend and fuse_remove_pending_req") the WARN_ON(!list_empty(&req->intr_entry)) in fuse_request_free() still triggers due to the following race: In request_wait_answer() if (test_bit(FR_SENT, &req->flags)) -> returns true In fuse_chan_resend() clear_bit(FR_SENT, &req->flags) In request_wait_answer() queue_interrupt(req) Fix by: - move clearing FR_SENT inside fpq->lock - move setting FR_PENDING inside fiq->lock - recheck FR_SENT after acquiring fiq->lock in fuse_dev_queue_interrupt()
- Product
- Linux
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgit.kernel.orggit.kernel.org
Sep 3, 2026In the Linux kernel, the following vulnerability has been resolved: af_packet: Don't send zero-byte data in tpacket_snd().CVE-2026-80742 · Computers, phones & browsers · Linux · reported by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
In the Linux kernel, the following vulnerability has been resolved: af_packet: Don't send zero-byte data in tpacket_snd(). syzbot reported a WARNING in __dev_queue_xmit() triggered via tpacket_snd(): skb_assert_len WARNING: at include/linux/skbuff.h:2753 skb_assert_len WARNING: at __dev_queue_xmit+0x21bc/0x4970 net/core/dev.c:4781 Call Trace: <TASK> dev_queue_xmit include/linux/netdevice.h:3448 [inline] packet_xmit+0x243/0x310 net/packet/af_packet.c:276 tpacket_snd net/packet/af_packet.c:2907 [inline] packet_sendmsg+0x28d6/0x4eb0 net/packet/af_packet.c:3134 When sending 0-byte packets via TPACKET ring buffer on devices with no hard header (e.g. dev->hard_header_len == 0), tpacket_fill_skb() populates an skb with skb->len == 0 and returns 0. tpacket_snd() then forwards this empty skb to packet_xmit(), causing __dev_queue_xmit() to hit skb_assert_len(skb). Similar checks exist in packet_snd() via commit dc633700f00f ("net/af_packet: check len when min_header_len equals to 0") and in packet_sendmsg_spkt() via commit 6a341729fb31 ("af_packet: Don't send zero-byte data in packet_sendmsg_spkt()."). Return -EINVAL in tpacket_fill_skb() when skb->len is zero to reject zero-leng
- Product
- Linux
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgit.kernel.orggit.kernel.org
Sep 3, 2026RTU500 has a vulnerability, where high-load scenarios, such as sending GI requests at short intervals, may cause a NULL pointer dereference in the last entry ofCVE-2026-17539 · Other software · Hitachi Energy · reported by cybersecurity@hitachienergy.comMedium 5.9
RTU500 has a vulnerability, where high-load scenarios, such as sending GI requests at short intervals, may cause a NULL pointer dereference in the last entry of the enhanced message queue. This can cause a BCI_IEC104 fatal write error, resulting in connection interruption and restart, and ultimately a denial of service for bidirectional IEC 60870-5-104 communication.
- Product
- RTU500 series CMU firmware
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordpublisher.hitachienergy.com
Sep 2, 2026Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection.CVE-2026-56855 · Other software · golang.org/x/crypto · reported by security@golang.orgHigh 7.5
Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connection down instead of buffering and blocking.
- Product
- golang.org/x/crypto/ssh
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response.CVE-2026-84641 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 7.5
A malicious IMAP server can trigger use-after-free and heap-memory disclosure by sending a crafted ID response. Heap contents can ultimately be persisted to prefs.js. This vulnerability was fixed in Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.
- Product
- Thunderbird
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordbugzilla.mozilla.orgmozilla.org
Sep 1, 2026Buffer overflow vulnerabilities exist in an underlying service of AOS-CX that could lead to an unauthenticated denial-of-service condition by sending specially CVE-2026-73772 · Other software · Hewlett Packard Enterprise (HPE) · reported by security-alert@hpe.comMedium 6.5
Buffer overflow vulnerabilities exist in an underlying service of AOS-CX that could lead to an unauthenticated denial-of-service condition by sending specially crafted packets to the affected device. Successful exploitation of these vulnerabilities results in a disruption of normal operation of the underlying operating system.
- Product
- AOS-CX
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026An out-of-bounds read vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated information disclosure by sending a sCVE-2026-73761 · Other software · Hewlett Packard Enterprise (HPE) · reported by security-alert@hpe.comMedium 6.5
An out-of-bounds read vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated information disclosure by sending a specially crafted packet. Successful exploitation of this vulnerability results in the ability to disclose sensitive information from the underlying operating system.
- Product
- AOS-CX
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026Vulnerabilities in AOS-CX could allow an unauthenticated remote malicious actor to trigger a denial-of-service condition by sending specially crafted packets.CVE-2026-73759 · Other software · Hewlett Packard Enterprise (HPE) · reported by security-alert@hpe.comMedium 6.5
Vulnerabilities in AOS-CX could allow an unauthenticated remote malicious actor to trigger a denial-of-service condition by sending specially crafted packets. Successful exploitation of these vulnerabilities results in disruption of normal operation on affected devices.
- Product
- AOS-CX
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026Mail is an internet library for Ruby designed to handle email generation, parsing, and sending.CVE-2026-63435 · Other software · mikel · reported by GitHubMedium 5.3
Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.q_value_decode and Mail::Utilities.b_value_decode used a single String#match and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle surrounding or subsequent text. A crafted malformed encoded-word in an address display name or local part could cross ? delimiters and make decoded From, To, or Reply-To header values differ from the raw values inspected by a human reviewer or downstream parser, enabling apparent sender or recipient spoofing, phishing, or authorization-check bypass. This issue is fixed in version 2.9.1.
- Product
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026Heym before 0.0.98 fails to apply SSRF egress guards to WebSocket Send and WebSocket Trigger nodes, allowing authenticated users to connect to internal servicesCVE-2026-84207 · Other software · heymrun · reported by VulnCheckMedium 5.3
Heym before 0.0.98 fails to apply SSRF egress guards to WebSocket Send and WebSocket Trigger nodes, allowing authenticated users to connect to internal services. Attackers can craft workflow nodes with arbitrary URLs and headers to reach internal services and read responses from the WebSocket Trigger node.
- Product
- heym
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026Incorrect access control in the sendToMasterQosConfig function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to forward attacker-controlCVE-2026-51770 · Other software · reported by MITRECritical 9.8
Incorrect access control in the sendToMasterQosConfig function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to forward attacker-controlled QoS settings to the master via sending a crafted MQTT message to the cs_broker component..
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP snmp allows a remote attacker to degrade availability by sending an SNMP message CVE-2026-70405 · Other software · Erlang · reported by 6b3ad84c-e1a6-4bf7-a703-f496b71e49dbMedium 6.3
Improper Validation of Specified Quantity in Input vulnerability in Erlang/OTP snmp allows a remote attacker to degrade availability by sending an SNMP message containing a BER INTEGER whose length field is arbitrarily large. snmp_pdus:dec_integer_notag/1 defaults its size limit to infinity, and do_dec_integer_notag/2 then accumulates the value across every declared byte with a recursive shift and bitwise or. Work grows superlinearly in the declared length because each operation acts on a progressively larger bignum. The size-limited variant dec_integer_notag/2 exists but is reached from only one call site, dec_snmp_version/1, which bounds the version field to ten bytes; the request identifier, error status and index, generic and specific trap fields, engine boots and time, and every varbind value decoded by dec_value/1 all use the unbounded form. The decode runs before the PDU is processed, so no valid request is required beyond what the deployment demands to accept the message at all. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to snmp from 4.25.1 before 5.18.2.1, from 5.19 befo
- Product
- OTP
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordcna.erlef.orggithub.com
Sep 1, 2026Incorrect access control in the staticInfoSend function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger static information repoCVE-2026-51752 · Other software · reported by MITREMedium 5.3
Incorrect access control in the staticInfoSend function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger static information reporting to the configured master via sending a crafted MQTT message to the cs_broker component.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026Incorrect access control in the sendStaticInfoToMaster function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to update stored slave invCVE-2026-51748 · Other software · reported by MITREMedium 5.9
Incorrect access control in the sendStaticInfoToMaster function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to update stored slave inventory records via sending a crafted MQTT message to the cs_broker component.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Sep 1, 2026Kyverno before 1.18.0 contains a server-side request forgery vulnerability in apiCall.service.url that allows authenticated users to send arbitrary HTTP requestCVE-2026-84196 · Other software · kyverno · reported by VulnCheckHigh 8.3
Kyverno before 1.18.0 contains a server-side request forgery vulnerability in apiCall.service.url that allows authenticated users to send arbitrary HTTP requests by injecting user-controlled input through variable substitution. Attackers can target internal services, cloud metadata endpoints, and loopback addresses, with response data reflected in admission error messages enabling non-blind data exfiltration.
- Product
- kyverno
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgithub.comvulncheck.com
Aug 31, 2026Incorrect access control in the clearSyslog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to erase system logs via sending a crCVE-2026-51736 · Other software · reported by MITRECritical 9.1
Incorrect access control in the clearSyslog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to erase system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the delVlanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to remove VLAN entries via sending a cCVE-2026-51731 · Other software · reported by MITRECritical 9.1
Incorrect access control in the delVlanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to remove VLAN entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026net_ipv6_send_ns() in subsys/net/ip/ipv6_nbr.c allocates a transmit net_pkt for a Neighbor Solicitation.CVE-2026-14697 · Other software · zephyrproject · reported by vulnerabilities@zephyrproject.orgMedium 6.5
net_ipv6_send_ns() in subsys/net/ip/ipv6_nbr.c allocates a transmit net_pkt for a Neighbor Solicitation. When it is called with a data packet pending on an unresolved neighbor and that neighbor's pending_queue is already non-empty (an NS is already outstanding), the function appends the data packet and returns early without ever sending the NS via net_send_data() or releasing it with net_pkt_unref(). The freshly allocated NS net_pkt and its attached TX buffers are held only by a local variable and are leaked permanently, never returning to CONFIG_NET_PKT_TX_COUNT / CONFIG_NET_BUF_TX_COUNT. The leaking branch sits on the normal IPv6 transmit path: net_ipv6_prepare_for_send() (called from net_if.c) invokes net_ipv6_send_ns() for any outbound or forwarded IPv6 packet whose next hop is not yet in the neighbor cache. An on-link (adjacent) attacker can drive it deterministically by sending a burst of request packets (for example ICMPv6 echo requests or UDP datagrams) that all spoof a single non-existent on-link source address: the node generates a reply to each, the first reply queues an NS, and every subsequent reply during the roughly three-second INCOMPLETE resolution window takes th
- Product
- zephyr
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the delSmartQosCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to remove Smart QoS rules via sendCVE-2026-51724 · Other software · reported by MITRECritical 9.8
Incorrect access control in the delSmartQosCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to remove Smart QoS rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026The Silicon Labs SiWx917 WiFi driver's transmit callback siwx91x_send() in drivers/wifi/siwx91x/siwx91x_wifi.c frees a network packet it does not own.CVE-2026-14366 · Other software · zephyrproject · reported by vulnerabilities@zephyrproject.orgMedium 6.4
The Silicon Labs SiWx917 WiFi driver's transmit callback siwx91x_send() in drivers/wifi/siwx91x/siwx91x_wifi.c frees a network packet it does not own. In the Zephyr TX path the net_pkt is owned by the L2/networking stack; the driver only borrows it to copy the frame bytes into a local net_buf. Before the fix, after transmitting, siwx91x_send() additionally called net_pkt_unref(pkt) on the caller-owned packet, dropping its last reference and returning it to the shared packet pool prematurely. This code path is compiled in by default (CONFIG_WIFI_SILABS_SIWX91X_NET_STACK_NATIVE). The caller, ethernet_send() in subsys/net/l2/ethernet/ethernet.c, keeps using the packet after the driver returns: it reads net_pkt_get_len(pkt), updates TX statistics, and then performs its own net_pkt_unref(pkt). Because the driver already released the packet, these are use-after-free reads followed by a second unref (a double free). When concurrent network activity recycles the freed slab slot between the two unrefs, the trailing unref decrements a different, live packet's reference count and frees it, corrupting the net_pkt pool shared by both the receive and transmit paths. The defect is exercised by
- Product
- zephyr
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setRoamingCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter roaming behavior via sendiCVE-2026-51714 · Other software · reported by MITREMedium 5.9
Incorrect access control in the setRoamingCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter roaming behavior via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setWiFiWpsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change WPS availability via sendCVE-2026-51708 · Other software · reported by MITRECritical 9.8
Incorrect access control in the setWiFiWpsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change WPS availability via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setWiFiMeshName function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to rename mesh entries via sendinCVE-2026-51705 · Other software · reported by MITRECritical 9.8
Incorrect access control in the setWiFiMeshName function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to rename mesh entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setDmzCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to expose an internal host via sending CVE-2026-51699 · Other software · reported by MITRECritical 9.8
Incorrect access control in the setDmzCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to expose an internal host via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setDdnsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter dynamic DNS state via sendingCVE-2026-51695 · Other software · reported by MITREHigh 7.5
Incorrect access control in the setDdnsCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter dynamic DNS state via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setVpnPassCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to weaken edge filtering via sendinCVE-2026-51693 · Other software · reported by MITRECritical 9.8
Incorrect access control in the setVpnPassCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to weaken edge filtering via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setLedCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to modify LED behavior via sending a crCVE-2026-51680 · Other software · reported by MITRECritical 9.1
Incorrect access control in the setLedCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to modify LED behavior via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setSyslogCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter logging behavior via sendinCVE-2026-51678 · Other software · reported by MITREMedium 4.3
Incorrect access control in the setSyslogCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter logging behavior via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 31, 2026Incorrect access control in the setUPnPCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change UPnP service state via sendiCVE-2026-51677 · Other software · reported by MITRECritical 9.1
Incorrect access control in the setUPnPCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change UPnP service state via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 30, 2026WWBN AVideo contains a cross-site request forgery vulnerability in sendEmail.json.php that allows authenticated administrators to send mail from the site's contCVE-2026-82647 · Other software · WWBN · reported by VulnCheckMedium 5.3
WWBN AVideo contains a cross-site request forgery vulnerability in sendEmail.json.php that allows authenticated administrators to send mail from the site's contact address by bypassing origin checks and captcha validation. Attackers can craft a malicious web page that, when visited by an authenticated admin, sends emails with attacker-controlled subject and body to arbitrary recipients, passing SPF/DKIM/DMARC validation for phishing and brand impersonation attacks.
- Product
- AVideo
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgithub.comvulncheck.com
Aug 28, 2026SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to crash the Node process by sending large payloads.CVE-2026-82256 · Other software · sveltejs · reported by VulnCheckMedium 6.9
SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to crash the Node process by sending large payloads. Repeated exploitation causes denial of service by repeatedly crashing the application process.
- Product
- kit
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgithub.comvulncheck.com
Aug 28, 2026An attacker that has valid credentials can send crafted compressed data that causes the affected process to exhaust its stack and crash.CVE-2026-73209 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comMedium 6.5
An attacker that has valid credentials can send crafted compressed data that causes the affected process to exhaust its stack and crash. The affected process is terminated, which can cause degradation or denial of service for IMAP. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026A host listed as a trusted proxy can send forwarding information containing a NUL byte, which crashes the login process on the following login attempt.CVE-2026-42395 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comMedium 4.3
A host listed as a trusted proxy can send forwarding information containing a NUL byte, which crashes the login process on the following login attempt. The login process is terminated, which can cause degradation or denial of service for logins. Deployments that do not configure trusted proxies are not affected. Restrict the list of trusted proxy networks to hosts that are fully under your control. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026An attacker that has valid credentials can send an invalid IMAP URLFETCH command, which causes uninitialized memory to be included in the error response returneCVE-2026-42392 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comMedium 4.3
An attacker that has valid credentials can send an invalid IMAP URLFETCH command, which causes uninitialized memory to be included in the error response returned to the client. Process memory contents can be disclosed to the client, which may include sensitive data. Disable the IMAP URLAUTH functionality. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026An unauthenticated attacker can send an IMAP ID command with a very large number of parameters before logging in, which causes memory and CPU usage to grow dispCVE-2026-42391 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comHigh 7.5
An unauthenticated attacker can send an IMAP ID command with a very large number of parameters before logging in, which causes memory and CPU usage to grow disproportionately. The login process can be terminated by the out-of-memory handling, which also terminates all other connections handled by the same process. This can cause degradation or denial of service for IMAP logins. Limit the number of connections handled by a single imap-login process. This has a performance impact though. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026An unauthenticated attacker can send a truncated quoted argument to the ManageSieve login process, which makes it spin in an infinite loop consuming CPU.CVE-2026-40019 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comMedium 5.9
An unauthenticated attacker can send a truncated quoted argument to the ManageSieve login process, which makes it spin in an infinite loop consuming CPU. This can cause degradation or denial of service for Sieve script management, and repeated connections can consume all available CPU on the server. Monitor system for abnormal CPU usage and kill the offending process. Restrict network access to the ManageSieve service to trusted clients. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot CE
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD coCVE-2026-40017 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comMedium 6.5
An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that fix. Whenever a mail client issues a THREAD command on the affected mailbox, this can cause degradation or denial of service for IMAP. Monitor system for abnormal CPU usage, kill the offending process and remove the offending message from the affected mailbox. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026An attacker that has valid credentials can open many connections to the imap-hibernate service and send invalid commands, which can intermittently cause an out-CVE-2026-40015 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comMedium 4.3
An attacker that has valid credentials can open many connections to the imap-hibernate service and send invalid commands, which can intermittently cause an out-of-bounds read and crash the process. The crash interrupts hibernated IMAP sessions handled by the affected process, which can cause degradation of service for IMAP. Disable IMAP hibernation. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026An attacker that can send mail to a user can craft a message header that makes the IMAP THREAD command consume CPU disproportionate to the size of the message.CVE-2026-40014 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comMedium 6.5
An attacker that can send mail to a user can craft a message header that makes the IMAP THREAD command consume CPU disproportionate to the size of the message. When a mail client issues a THREAD command on the affected mailbox, this can cause degradation or denial of service for IMAP. Monitor system for abnormal CPU usage, kill the offending process and remove the offending message from the affected mailbox. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026An unauthenticated attacker can crash the ManageSieve login process by sending a small malformed command before authenticating.CVE-2026-33605 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comHigh 7.5
An unauthenticated attacker can crash the ManageSieve login process by sending a small malformed command before authenticating. If running in high-security mode (default for community releases), only the attacker's own connection is terminated. If running in high-performance mode (default for Pro releases), all connections handled by the same managesieve-login process are terminated. Repeating the attack can cause denial of service for Sieve script management. Restrict network access to the ManageSieve service to trusted clients. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026An attacker that can send mail to a user can craft a message whose headers contain a very large number of email addresses or MIME parameters, which causes excesCVE-2026-27852 · Other software · Open-Xchange GmbH · reported by security@open-xchange.comHigh 7.5
An attacker that can send mail to a user can craft a message whose headers contain a very large number of email addresses or MIME parameters, which causes excessive memory usage when the message is later parsed. The message is still delivered, but reading it over IMAP can exhaust the memory limit of the process and terminate it, causing denial of service for the affected user. Update to non-vulnerable version. No publicly available exploits are known.
- Product
- OX Dovecot Pro
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recorddocumentation.open-xchange.com
Aug 28, 2026In the Linux kernel, the following vulnerability has been resolved: spi: spi-qpic-snand: write the feature value before executing SET_FEATURE qcom_spi_send_cmCVE-2026-80712 · Computers, phones & browsers · Linux · reported by 416baaa9-dc9f-4396-8d5f-8c081fb06d67High 8.4
In the Linux kernel, the following vulnerability has been resolved: spi: spi-qpic-snand: write the feature value before executing SET_FEATURE qcom_spi_send_cmdaddr() programs NAND_FLASH_CMD/NAND_EXEC_CMD and submits the descriptors, which makes the controller execute the command immediately. For SPINAND_SET_FEATURE the value to be written is only placed into NAND_FLASH_FEATURES afterwards, by qcom_spi_io_op(), in a second submission - so the chip is programmed with whatever that register happened to hold from a previous operation, and the intended value is only applied by the *next* SET_FEATURE. Measured on a TP-Link Archer AX55 v1 (IPQ5018, ESMT F50L1G41LB): writing 0x40 to the configuration register (0xb0) leaves the chip at 0x00, and the subsequent write of 0x00 leaves it at 0x40 - every write lands one operation late. This stayed unnoticed until v6.18 added SPI-NAND OTP support together with OTP entries for ESMT chips. spinand_otp_rw() enables OTP mode, reads, and disables it again, and mtd_otp_nvmem_add() does this during MTD registration. With the off-by-one, the "disable" write actually applies the previously requested value, so CFG_OTP_ENABLE ends up set: the chip stays
- Product
- Linux
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgit.kernel.orggit.kernel.org
Aug 28, 2026In the Linux kernel, the following vulnerability has been resolved: HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait() In picolcd_send_CVE-2026-80605 · Computers, phones & browsers · Linux · reported by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
In the Linux kernel, the following vulnerability has been resolved: HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait() In picolcd_send_and_wait(), an integer overflow of the signed loop counter 'k' can theoretically lead to a NULL pointer dereference of 'raw_data'. If the loop executes more than INT_MAX times, 'k' becomes negative, making the condition 'k < size' true even when 'size' is 0. Change the type of 'k' to 'unsigned int' to prevent the overflow and eliminate the out-of-bounds access. Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool. [jkosina@suse.com: extended hash length]
- Product
- Linux
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgit.kernel.orggit.kernel.org
Aug 27, 2026A business logic flaw in WatchGuard Dimension allows an authenticated administrator to trigger multiple backend operations within a single logical flow by sendiCVE-2026-78618 · Network & remote access · WatchGuard · reported by 5d1c2695-1a31-4499-88ae-e847036fd7e3Medium 6.9
A business logic flaw in WatchGuard Dimension allows an authenticated administrator to trigger multiple backend operations within a single logical flow by sending a specially crafted request.
- Product
- Dimension
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 27, 2026A type confusion vulnerability in the iked process of WatchGuard Fireware OS allows a remote unauthenticated attacker to execute arbitrary code by sending speciCVE-2026-19315 · Network & remote access · WatchGuard · reported by 5d1c2695-1a31-4499-88ae-e847036fd7e3Critical 9.3
A type confusion vulnerability in the iked process of WatchGuard Fireware OS allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.
- Product
- Fireware OS
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 27, 2026An heap overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending speciallCVE-2026-19313 · Network & remote access · WatchGuard · reported by 5d1c2695-1a31-4499-88ae-e847036fd7e3Critical 9.3
An heap overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.
- Product
- Fireware OS
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 27, 2026WatchGuard Dimension is susceptible to a denial-of-service condition when an attacker sends a high volume of TCP SYN packets to the log listening service.CVE-2026-13108 · Network & remote access · WatchGuard · reported by 5d1c2695-1a31-4499-88ae-e847036fd7e3High 8.7
WatchGuard Dimension is susceptible to a denial-of-service condition when an attacker sends a high volume of TCP SYN packets to the log listening service.
- Product
- Dimension
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 27, 2026The MongoDB Rust Driver does not neutralize special characters in a caller-supplied target identifier before embedding it in the request it sends to the server.CVE-2026-81526 · Other software · MongoDB · reported by cna@mongodb.comHigh 7.1
The MongoDB Rust Driver does not neutralize special characters in a caller-supplied target identifier before embedding it in the request it sends to the server. An actor able to influence that identifier in an application using the driver may cause write operations to be applied to an unintended target within the same deployment using the application's own credentials. This may result in unauthorized modification of data belonging to another logical boundary enforced by the application.
- Product
- Rust Driver
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgithub.comjira.mongodb.org
Aug 27, 2026Partition interceptor may be improperly added while sending message.CVE-2026-59305 · Other software · Spring · reported by security@vmware.comLow 3.1
Partition interceptor may be improperly added while sending message. Spring Cloud Stream 5.0.0 - 5.0.2 Spring Cloud Stream 4.3.0 - 4.3.3 Spring Cloud Stream 4.2.0 - 4.2.6
- Product
- Spring Cloud Stream
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 27, 2026The GraphiQL page bundled with Spring for GraphQL sends requests to the GraphQL endpoints of the application.CVE-2026-59288 · Other software · Spring · reported by security@vmware.comHigh 7.4
The GraphiQL page bundled with Spring for GraphQL sends requests to the GraphQL endpoints of the application. An attacker can share a malicious URL so that the victim's browser might leak confidential information to the attacker's website. Spring for GraphQL 2.0.0 - 2.0.4 Spring for GraphQL 1.4.0 - 1.4.6 Spring for GraphQL 1.1.0 - 1.3.9 Spring for GraphQL 1.0.0 - 1.0.7
- Product
- Spring for GraphQL
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
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