CVE-2025-69230
MEDIUM5.3EPSS 0.01%AIOHTTP Vulnerable to Cookie Parser Warning Storm
Published: 1/5/2026Modified: 5/2/2026
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.
Affected packages (2)
- Debian/python-aiohttpfrom 0, < 3.13.3-1
- PyPI/aiohttpfrom 0, < 3.13.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U |
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References (5)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-69230
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2025-69230
- PATCHhttps://github.com/aio-libs/aiohttp
- WEBhttps://github.com/aio-libs/aiohttp/commit/64629a0834f94e46d9881f4e99c41a137e1f3326
- WEBhttps://github.com/aio-libs/aiohttp/security/advisories/GHSA-fh55-r93g-j68g