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.
56 results · page 1 of 2
Oct 19, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-111750 · Other software · aio-libs · reported by GitHubMedium 6.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, the pure Python parser accepts ambiguous HTTP request framing. An unauthenticated attacker can consequently smuggle requests when an application uses AIOHTTP_NO_EXTENSIONS or otherwise runs without a standard wheel and an intermediary interprets the framing differently. This issue is fixed in version 3.14.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Oct 19, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-111749 · Other software · aio-libs · reported by GitHubLow 2.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Host-Only scope on an existing parent-domain cookie can be removed by a subdomain. A user who accesses an untrusted subdomain can consequently have host-only protections stripped from cookies, although impact is limited when applications do not reflect those cookies to a browser. This issue is fixed in version 3.14.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Oct 19, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-111748 · Other software · aio-libs · reported by GitHubMedium 6.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, an attacker can send an absolute-form request that causes Request.scheme to use attacker-controlled request-target scheme data instead of the connection protocol. Applications that use Request.scheme for security decisions can consequently be tricked into treating an unencrypted connection as encrypted or an encrypted connection as unencrypted. This issue is fixed in version 3.14.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Oct 19, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-111066 · Other software · aio-libs · reported by GitHubHigh 8.2
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. From 2.0.0 until 3.14.4, multipart request processing can retain an unbounded number of open file descriptors. An unauthenticated attacker can consequently exhaust file descriptors with specially crafted multipart requests when a handler uses Request.post(). This issue is fixed in version 3.14.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Oct 19, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-111065 · Other software · aio-libs · reported by GitHubMedium 6.9
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, Max-Age processing can overflow and skip closing a connection. An attacker can consequently exhaust the connection pool temporarily until garbage collection resolves the connections. This issue is fixed in version 3.14.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Oct 19, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-111064 · Other software · aio-libs · reported by GitHubHigh 8.2
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, keepalive timeout handling is absent during the initial portion of a request. An attacker can keep an idle connection open indefinitely before sending any request data, consuming server connection capacity. This issue is fixed in version 3.14.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Oct 19, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-111063 · Other software · aio-libs · reported by GitHubMedium 6.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.4, the Secure attribute for a shared cookie is not enforced. An attacker can consequently cause a shared cookie marked Secure to be sent with an unencrypted request. This issue is fixed in version 3.14.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 3, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-69244 · Other software · aio-libs · reported by GitHubHigh 7.1
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.3, an out-of-bounds heap read could occur in the C response parser while building an error message for a malformed response. An attacker controlled server, or possibly an accidental response, could trigger a DoS in the client. The vulnerable path was error message construction in aiohttp/_http_parser.pyx, where an llhttp error-position pointer was used to build a snippet for malformed chunked responses and malformed request or response bytes at the buffer end. This issue is fixed in version 3.14.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 3, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-69243 · Other software · aio-libs · reported by GitHubMedium 6.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the HTTP parsers were vulnerable to a request smuggling attack relating to WebSocket upgrades. If using the server-side component, an attacker may be able to execute a request smuggling vulnerability using an edge case in the WebSocket upgrade procedure. A WebSocket upgrade request with a body could cause the parser to switch protocols before the complete request body was received, leaving trailing bytes to be handled as upgraded-protocol or pipelined data rather than normal HTTP body data. This issue is fixed in version 3.14.2.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jul 30, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-59881 · Other software · aio-libs · reported by GitHubMedium 6.9
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the WebSocket client accepts and decompresses frames with the RSV1 bit set even when the permessage-deflate extension was not negotiated, allowing a malicious server to cause unexpected CPU and memory consumption. This issue is fixed in version 3.14.2.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-54280 · Other software · aio-libs · reported by GitHubLow 1.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, payload resources are not closed correctly when a client disconnects in the middle of a write. If a payload is using an open file or similar limited resource, then an attacker may be able to cause resource starvation temporarily until garbage collection or similar closes the file. This vulnerability is fixed in 3.14.1.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-54279 · Other software · aio-libs · reported by GitHubLow 1.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, host-only cookies that are saved with CookieJar.save() and then restored later with CookieJar.load() lose their host-only status. This vulnerability is fixed in 3.14.1.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-54278 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, during cleanup it is possible for a compressed request body to be decompressed into memory in one chunk. An attacker may be able to send a compressed payload in specific situations that could be decompressed into memory, potentially leading to DoS (a zip bomb edge case). This vulnerability is fixed in 3.14.1.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-54277 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, it is possible to bypass the max_line_size check in parts of an HTTP request in the C parser. If using the optimised C parser (the default in pre-built wheels), then an attacker may be able to send oversized lines through the HTTP parser and use an excessive amount of memory, potentially leading to DoS. This vulnerability is fixed in 3.14.1.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-54276 · Other software · aio-libs · reported by GitHubMedium 6.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, DigestAuthMiddleware can send an authentication response after following a cross-origin redirect. This likely requires an open redirect vulnerability or similar on the target domain for an attacker to be able to execute. Further, the attacker is only receiving the digest, so should only be able to extract the user's credentials if the cryptography is weak or there is some kind of password reuse. This vulnerability is fixed in 3.14.1.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-54275 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, the server_hostname TLS SNI check can be bypassed when an existing connection is reused. If an application makes multiple requests to the same domain, but with different per-request server_hostname parameters, then the later calls may succeed by reusing the existing connection when they should have been rejected due to the TLS SNI check. This vulnerability is fixed in 3.14.1.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-54274 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, if an attacker sends large incomplete websocket frame payloads, it may be possible to bypass the usual size limits on memory use. This vulnerability is fixed in 3.14.1.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-54273 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.1, no limit was present on the number of pipelined requests that could be queued. An attacker may be able to use pipelined requests to use excessive amounts of memory, potentially leading to DoS. This vulnerability is fixed in 3.14.1.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 22, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-50269 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.0, attacker-controlled input included into multipart/payload headers can be used to modify a request to inject additional headers or similar. In the unlikely situation that an application is passing user-controlled strings into MultipartWriter.append(headers=...) or Payload.headers, then an attacker may be able to modify the request to inject headers or change the contents of the request. This vulnerability is fixed in 3.14.0.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 2, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-47265 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, cookies set with the `cookies` parameter on requests are sent after following a cross-origin redirect. If a developer uses the `cookies` parameter on a per-request basis then sensitive data might be leaked to an attacker if they manage to control a redirect. Version 3.14.0 patches the issue. If unable to upgrade, using a `Cookie` header in the `headers` parameter is not vulnerable.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 2, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34993 · Other software · aio-libs · reported by GitHubMedium 6.4
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.14.0, using ``CookieJar.load()`` with untrusted input may allow arbitrary code execution. Most applications using this function will be doing so with the user's own data, so this is unlikely to affect many applications. Version 3.14.0 patches the issue. If an application does allow attacker controlled files to be loaded, a workaround on older releases would be to sanitize the files before loading.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34525 · Other software · aio-libs · reported by GitHubMedium 6.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, multiple Host headers were allowed in aiohttp. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34520 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, the C parser (the default for most installs) accepted null bytes and control characters in response headers. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34519 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34518 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, when following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34517 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, for some multipart form fields, aiohttp read the entire field into memory before checking client_max_size. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34516 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, a response with an excessive number of multipart headers may be allowed to use more memory than intended, potentially allowing a DoS vulnerability. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34515 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, on Windows the static resource handler may expose information about a NTLMv2 remote path. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34514 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the content_type parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-34513 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an unbounded DNS cache could result in excessive memory usage possibly resulting in a DoS situation. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Apr 1, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2026-22815 · Other software · aio-libs · reported by GitHubMedium 6.9
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 5, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-69230 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 5, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-69229 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, handling of chunked messages can result in excessive blocking CPU usage when receiving a large number of chunks. If an application makes use of the request.read() method in an endpoint, it may be possible for an attacker to cause the server to spend a moderate amount of blocking CPU time (e.g. 1 second) while processing the request. This could potentially lead to DoS as the server would be unable to handle other requests during that time. This issue is fixed in version 3.13.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 5, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-69228 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow a request to be crafted in such a way that an AIOHTTP server's memory fills up uncontrollably during processing. If an application includes a handler that uses the Request.post() method, an attacker may be able to freeze the server by exhausting the memory. This issue is fixed in version 3.13.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 5, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-69227 · Other software · aio-libs · reported by GitHubMedium 6.6
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow for an infinite loop to occur when assert statements are bypassed, resulting in a DoS attack when processing a POST body. If optimizations are enabled (-O or PYTHONOPTIMIZE=1), and the application includes a handler that uses the Request.post() method, then an attacker may be able to execute a DoS attack with a specially crafted message. This issue is fixed in version 3.13.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 5, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-69225 · Other software · aio-libs · reported by GitHubLow 2.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below contain parser logic which allows non-ASCII decimals to be present in the Range header. There is no known impact, but there is the possibility that there's a method to exploit a request smuggling vulnerability. This issue is fixed in version 3.13.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 5, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-69226 · Other software · aio-libs · reported by GitHubMedium 6.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below enable an attacker to ascertain the existence of absolute path components through the path normalization logic for static files meant to prevent path traversal. If an application uses web.static() (not recommended for production deployments), it may be possible for an attacker to ascertain the existence of path components. This issue is fixed in version 3.13.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 5, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-69224 · Other software · aio-libs · reported by GitHubMedium 6.3
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below of the Python HTTP parser may allow a request smuggling attack with the presence of non-ASCII characters. If a pure Python version of AIOHTTP is installed (i.e. without the usual C extensions) or AIOHTTP_NO_EXTENSIONS is enabled, then an attacker may be able to execute a request smuggling attack to bypass certain firewalls or proxy protections. This issue is fixed in version 3.13.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 5, 2026AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-69223 · Other software · aio-libs · reported by GitHubHigh 7.5
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow a zip bomb to be used to execute a DoS against the AIOHTTP server. An attacker may be able to send a compressed request that when decompressed by AIOHTTP could exhaust the host's memory. This issue is fixed in version 3.13.3.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jul 14, 2025AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2025-53643 · Other software · aio-libs · reported by GitHubLow 1.7
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.12.14, the Python parser is vulnerable to a request smuggling vulnerability due to not parsing trailer sections of an HTTP request. If a pure Python version of aiohttp is installed (i.e. without the usual C extensions) or AIOHTTP_NO_EXTENSIONS is enabled, then an attacker may be able to execute a request smuggling attack to bypass certain firewalls or proxy protections. Version 3.12.14 contains a patch for this issue.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Nov 18, 2024aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2024-52304 · Other software · aio-libs · reported by GitHubMedium 6.3
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.10.11, the Python parser parses newlines in chunk extensions incorrectly which can lead to request smuggling vulnerabilities under certain conditions. If a pure Python version of aiohttp is installed (i.e. without the usual C extensions) or `AIOHTTP_NO_EXTENSIONS` is enabled, then an attacker may be able to execute a request smuggling attack to bypass certain firewalls or proxy protections. Version 3.10.11 fixes the issue.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Nov 18, 2024aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2024-52303 · Other software · aio-libs · reported by GitHubHigh 8.7
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In versions starting with 3.10.6 and prior to 3.10.11, a memory leak can occur when a request produces a MatchInfoError. This was caused by adding an entry to a cache on each request, due to the building of each MatchInfoError producing a unique cache entry. An attacker may be able to exhaust the memory resources of a server by sending a substantial number (100,000s to millions) of such requests. Those who use any middlewares with aiohttp.web should upgrade to version 3.10.11 to receive a patch.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 12, 2024aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2024-42367 · Other software · aio-libs · reported by GitHubMedium 4.8
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In versions on the 3.10 branch prior to version 3.10.2, static routes which contain files with compressed variants (`.gz` or `.br` extension) are vulnerable to path traversal outside the root directory if those variants are symbolic links. The server protects static routes from path traversal outside the root directory when `follow_symlinks=False` (default). It does this by resolving the requested URL to an absolute path and then checking that path relative to the root. However, these checks are not performed when looking for compressed variants in the `FileResponse` class, and symbolic links are then automatically followed when performing the `Path.stat()` and `Path.open()` to send the file. Version 3.10.2 contains a patch for the issue.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
May 2, 2024aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2024-30251 · Other software · aio-libs · reported by GitHubHigh 7.5
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In affected versions an attacker can send a specially crafted POST (multipart/form-data) request. When the aiohttp server processes it, the server will enter an infinite loop and be unable to process any further requests. An attacker can stop the application from serving requests after sending a single request. This issue has been addressed in version 3.9.4. Users are advised to upgrade. Users unable to upgrade may manually apply a patch to their systems. Please see the linked GHSA for instructions.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordopenwall.comgithub.com
Apr 18, 2024aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2024-27306 · Other software · aio-libs · reported by GitHubMedium 6.1
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. A XSS vulnerability exists on index pages for static file handling. This vulnerability is fixed in 3.9.4. We have always recommended using a reverse proxy server (e.g. nginx) for serving static files. Users following the recommendation are unaffected. Other users can disable `show_index` if unable to upgrade.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 29, 2024aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2024-23829 · Other software · aio-libs · reported by GitHubMedium 6.5
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Security-sensitive parts of the Python HTTP parser retained minor differences in allowable character sets, that must trigger error handling to robustly match frame boundaries of proxies in order to protect against injection of additional requests. Additionally, validation could trigger exceptions that were not handled consistently with processing of other malformed input. Being more lenient than internet standards require could, depending on deployment environment, assist in request smuggling. The unhandled exception could cause excessive resource consumption on the application server and/or its logging facilities. This vulnerability exists due to an incomplete fix for CVE-2023-47627. Version 3.9.2 fixes this vulnerability.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jan 29, 2024aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2024-23334 · Other software · aio-libs · reported by GitHubMedium 5.9
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. When using aiohttp as a web server and configuring static routes, it is necessary to specify the root path for static files. Additionally, the option 'follow_symlinks' can be used to determine whether to follow symbolic links outside the static root directory. When 'follow_symlinks' is set to True, there is no validation to check if reading a file is within the root directory. This can lead to directory traversal vulnerabilities, resulting in unauthorized access to arbitrary files on the system, even when symlinks are not present. Disabling follow_symlinks and using a reverse proxy are encouraged mitigations. Version 3.9.2 fixes this issue.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Nov 30, 2023aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2023-49081 · Other software · aio-libs · reported by GitHubHigh 7.2
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Improper validation made it possible for an attacker to modify the HTTP request (e.g. to insert a new header) or create a new HTTP request if the attacker controls the HTTP version. The vulnerability only occurs if the attacker can control the HTTP version of the request. This issue has been patched in version 3.9.0.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgist.github.comgithub.com
Nov 29, 2023aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2023-49082 · Other software · aio-libs · reported by GitHubMedium 5.3
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Improper validation makes it possible for an attacker to modify the HTTP request (e.g. insert a new header) or even create a new HTTP request if the attacker controls the HTTP method. The vulnerability occurs only if the attacker can control the HTTP method (GET, POST etc.) of the request. If the attacker can control the HTTP version of the request it will be able to modify the request (request smuggling). This issue has been patched in version 3.9.0.
- Product
- aiohttp
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgist.github.comgithub.com
Nov 14, 2023aiohttp is an asynchronous HTTP client/server framework for asyncio and Python.CVE-2023-47641 · Other software · aio-libs · reported by GitHubLow 3.4
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Affected versions of aiohttp have a security vulnerability regarding the inconsistent interpretation of the http protocol. HTTP/1.1 is a persistent protocol, if both Content-Length(CL) and Transfer-Encoding(TE) header values are present it can lead to incorrect interpretation of two entities that parse the HTTP and we can poison other sockets with this incorrect interpretation. A possible Proof-of-Concept (POC) would be a configuration with a reverse proxy(frontend) that accepts both CL and TE headers and aiohttp as backend. As aiohttp parses anything with chunked, we can pass a chunked123 as TE, the frontend entity will ignore this header and will parse Content-Length. The impact of this vulnerability is that it is possible to bypass any proxy rule, poisoning sockets to other users like passing Authentication Headers, also if it is present an Open Redirect an attacker could combine it to redirect random users to another website and log the request. This vulnerability has been addressed in release 3.8.0 of aiohttp. Users are advised to upgrade. There are no known workarounds for this vulnerability.
- Product
- aiohttp
- 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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