PyPI/aiohttp CVE-2026-34514: medium 5.3, EPSS 0.33%
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 h
Action: Upgrade aiohttp to 3.13.4 or later.
pip install aiohttp==3.13.4Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.13.4 | - |
Fixed versions
| 3.13.4 |
Sources
- osv: PYSEC-2026-2096
- https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4
- https://github.com/aio-libs/aiohttp/commit/9a6ada97e2c6cf1ce31727c6c9fcea17c21f6f06
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2vrm-gr82-f7m5
CVE-2026-34514 · published · modified · JSON