---
id: CVE-2025-69230
title: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python
summary: >-
  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 a…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-779
vendor: aiohttp
product: aiohttp
affected:
  - 'aiohttp >= 3.12.7, < 3.13.3'
patched:
  - aiohttp 3.13.3
published: '2026-01-06'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T17:11:10.487'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-69230'
references:
  - url: >-
      https://github.com/aio-libs/aiohttp/commit/64629a0834f94e46d9881f4e99c41a137e1f3326
    label: security-advisories@github.com
  - url: >-
      https://github.com/aio-libs/aiohttp/security/advisories/GHSA-fh55-r93g-j68g
    label: security-advisories@github.com
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-69230'
  - url: 'https://github.com/aio-libs/aiohttp'
tags:
  - nvd
  - osv
  - pip
epss: 0.00369
epssPercentile: 0.28085
aliases:
  - GHSA-fh55-r93g-j68g
  - PYSEC-2026-1105
ecosystem: pip
ingestedAt: '2026-07-08T18:25:48.908Z'
---

## Overview

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

- `aiohttp >= 3.12.7, < 3.13.3`

## Remediation

Upgrade past the affected range:

- `aiohttp 3.13.3`

## Package advisory (CVE-2025-69230)

Affected packages:

- `aiohttp < 3.13.3`

Patched in:

- `aiohttp 3.13.3`

Source: https://osv.dev/vulnerability/GHSA-fh55-r93g-j68g