Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the content_type parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4.

INFO

Published Date :

2026-04-01T20:09:50.936Z

Last Modified :

2026-04-02T14:07:17.671Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-34514 vulnerability.

Vendors Products
Aio-libs
  • Aiohttp
Aiohttp
  • Aiohttp
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-34514.

URL Resource
https://github.com/aio-libs/aiohttp/commit/9a6ada97e2c6cf1ce31727c6c9fcea17c21f6f06 cve-icon cve-icon cve-icon
https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4 cve-icon cve-icon cve-icon
https://github.com/aio-libs/aiohttp/security/advisories/GHSA-2vrm-gr82-f7m5 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-34514 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-34514 cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact