CVE-2025-69230
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductAiohttp
PublishedJan 6, 2026
First seenJan 6, 2026
Weakness typeCWE-779CWE-779
How to fix
Update
- aiohttp aiohttp3.13.3 or later
- aiohttp3.13.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| aiohttp aiohttp | 3.12.7 ≤ v < 3.13.3 | 3.13.3 |
| aiohttpPyPI | v < 3.13.3 | 3.13.3 |
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