CVE-2026-34525

Medium CVSS: 6.3

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.

Vendor

Product

CWE

CWE-20

Yayın Tarihi

2026-04-01 21:17:00

Güncelleme

2026-04-03 16:10:52

Source Identifier

security-advisories@github.com

KEV Date Added

Kategoriler

CWE-20 MEDIUM 2026

Referanslar

https://github.com/aio-libs/aiohttp/commit/53e2e6fc58b89c6185be7820bd2c9f40216b3000 https://github.com/aio-libs/aiohttp/commit/e00ca3cca92c465c7913c4beb763a72da9ed8349 https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4 https://github.com/aio-libs/aiohttp/security/advisories/GHSA-c427-h43c-vf67