CVE-2026-34525

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...

PYSEC-2026-2101

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...

PYSEC-2026-2097

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...

CVE-2026-34514

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the contenttype parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

CVE-2026-34515

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...

UBUNTU-CVE-2026-34515

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...

CVE-2026-34525

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...

CVE-2026-34520

CVE-2026-34520 affects the aiohttp project. Prior to version 3.13.4, the C parser (llhttp, default for most installs) accepted null bytes and control characters in response header values, enabling header-related issues. The issue has been patched in aiohttp 3.13.4. Per connected sources, the vuln...

CVE-2026-34518

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...

CVE-2026-34515

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...

CVE-2026-34514

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the contenttype parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

CVE-2026-34514

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the contenttype parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4...

aiohttp 安全漏洞

Aiohttp is an open-source framework developed by aio-libs, used for asynchronous HTTP client/server interactions with asyncio and Python. Versions of AIOHTTP prior to 3.13.4 contained security vulnerabilities; these vulnerabilities stemmed from responses that included too many multipart headers,...

PT-2026-29610

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4 Description Multiple Host headers were permitted in AIOHTTP, potentially allowing a reverse proxy's security rules to be bypassed. This could lead to a request being processed by AIOHTTP in a privileged sub...

PT-2026-29609

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4 Description The C parser, used by default in most installations, allowed null bytes and control characters within response headers. An attacker could leverage this to send header values that are interpreted...

PT-2026-29606

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4 Description Prior to version 3.13.4, AIOHTTP, an asynchronous HTTP client/server framework for asyncio and Python, read the entire multipart form field into memory before checking the client max size limit. Thi...

Security update for python-aiohttp

This update for python-aiohttp fixes the following issues: CVE-2025-69228: Fixed denial of service through large payloads bsc1256022. CVE-2025-69226: Fixed brute-force leak of internal static file path components bsc1256020. CVE-2025-69224: Fixed unicode processing of header values could cause...

PT-2026-29605

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4 Description A response with an excessive number of multipart headers may be allowed to use more memory than intended, potentially leading to a denial-of-service condition. Multipart headers were not subject to...

PT-2026-29608

Name of the Vulnerable Software and Affected Versions AIOHTTP versions prior to 3.13.4 Description AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. An attacker controlling the reason parameter when creating a Response may inject extra headers or similar exploits. Th...

CVE-2025-69228

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, ...