CVE-2026-34519

N/A

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the reason parameter when creating a Response may be able to inject extra headers or similar exploits. This issue has been patched in version 3.13.4.

CVE Details

CVSS v3.1 ScoreN/A

Published4/1/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-113

References

https://github.com/aio-libs/aiohttp/commit/53b35a2f8869c37a133e60bf1a82a1c01642ba2b(security-advisories@github.com)

https://github.com/aio-libs/aiohttp/releases/tag/v3.13.4(security-advisories@github.com)

https://github.com/aio-libs/aiohttp/security/advisories/GHSA-mwh4-6h8g-pg8w(security-advisories@github.com)

IOC Correlations

No correlations recorded

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