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Low severityOSV Advisory· Published Jan 5, 2026· Updated Jan 6, 2026

AIOHTTP Vulnerable to Cookie Parser Warning Storm

CVE-2025-69230

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.

AI Insight

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
aiohttpPyPI
< 3.13.33.13.3

Affected products

33

Patches

Vulnerability mechanics

References

4

News mentions

0

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