CVE-2026-34514 — AIOHTTP: CRLF injection in multipart part content type header construction
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…
Published: 2026-04-01 · CVSS: 2.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7