VULNERABILITY INTELLIGENCE

CVE-2026-34517

CVSS score5.3 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2026-04-01
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, for some multipart form fields, aiohttp read the entire field into memory before checking client_max_size. This issue has been patched in version 3.13.4.

Weakness classification

  • security-advisories@github.com: CWE-770

Primary references