AIOHTTP Asynchronous Framework Vulnerability in Python
CVE-2025-69230

2.7LOW

Key Information:

Vendor

Aio-libs

Status
Aiohttp
Vendor
CVE Published:
5 January 2026

What is CVE-2025-69230?

A vulnerability has been identified in AIOHTTP, an asynchronous HTTP client/server framework for Python. In versions 3.13.2 and earlier, an attacker could exploit this vulnerability by sending specially crafted Cookie headers that trigger excessive warning-level log entries when the cookies attribute is accessed. This can lead to a logging storm that may clutter application logs, complicating the identification of legitimate warnings and issues. Users are advised to upgrade to version 3.13.3 or later to mitigate this issue.

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Affected Version(s)

aiohttp < 3.13.3

References

https://github.com/aio-libs/aiohttp/security/advisories/G...
x_refsource_CONFIRM
https://github.com/aio-libs/aiohttp/commit/64629a0834f94e...
x_refsource_MISC

CVSS V4

Score:
2.7
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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