Description
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, reading multiple invalid cookies can lead to a logging storm. If the cookies attribute is accessed in an application, then an attacker may be able to trigger a storm of warning-level logs using a specially crafted Cookie header. This issue is fixed in 3.13.3.
References
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-fh55-r93g-j68g
Vendor AdvisoryPatch
CVSS impact metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.3 · Medium
Information
Source identifier
Vulnerability status
Analyzed
Published
2026-01-06T00:15:48.483Z
1 week agoLast modified
2026-01-14T19:17:43.450Z
1 hour ago