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CVE-2026-34514

AIOHTTP: CRLF injection in multipart part content type header construction

CVSS 2.7 LOWEPSS 0.3%CWE-113
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U
Productos afectados
aio-libs · aiohttp

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Referencias
https://github.com/aio-libs/aiohttp/commit/9a6ada97e2c6cf1ce31727c6c9fcea17c21f6f06https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2vrm-gr82-f7m5