aiohttp vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary
CVE-2025-69226Lowaiohttp: AIOHTTP vulnerable to brute-force leak of internal static file path componentsCVE-2025-69225Lowaiohttp: AIOHTTP has unicode match groups in regexes for ASCII protocol elementsCVE-2025-69224Lowaiohttp: AIOHTTP's unicode processing of header values could cause parsing discrepanciesCVE-2025-69223Highaiohttp: AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bombCVE-2025-53643Lowaiohttp: AIOHTTP is vulnerable to HTTP Request/Response Smuggling through incorrect parsing of chunked…CVE-2024-52304Mediumaiohttp: aiohttp allows request smuggling due to incorrect parsing of chunk extensionsCVE-2024-52303Mediumaiohttp: aiohttp has a memory leak when middleware is enabled when requesting a resource with a non-allowed…CVE-2024-42367Mediumaiohttp: In aiohttp, compressed files as symlinks are not protected from path traversalCVE-2024-30251Highaiohttp: aiohttp vulnerable to Denial of Service when trying to parse malformed POST requestsCVE-2024-27306Mediumaiohttp: aiohttp Cross-site Scripting vulnerability on index pages for static file handlingCVE-2024-23334Highaiohttp: aiohttp is vulnerable to directory traversalCVE-2024-23829Mediumaiohttp: aiohttp's HTTP parser (the python one, not llhttp) still overly lenient about separatorsCVE-2023-49081Mediumaiohttp: aiohttp's ClientSession is vulnerable to CRLF injection via versionCVE-2023-49082Mediumaiohttp: aiohttp's ClientSession is vulnerable to CRLF injection via methodGHSA-PJJW-QHG8-P2P9Mediumaiohttp: aiohttp has vulnerable dependency that is vulnerable to request smugglingCVE-2023-47627Mediumaiohttp: AIOHTTP has problems in HTTP parser (the python one, not llhttp)CVE-2023-47641Lowaiohttp: Aiohttp has inconsistent interpretation of `Content-Length` vs. `Transfer-Encoding` differing in C…CVE-2023-37276Mediumaiohttp: aiohttp.web.Application vulnerable to HTTP request smuggling via llhttp HTTP request parserCVE-2021-21330Lowaiohttp: `aiohttp` Open Redirect vulnerability (`normalize_path_middleware` middleware)

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