CVE-2026-22815

HIGH

7.5

Description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, insufficient restrictions in header/trailer handling could cause uncapped memory usage. This issue has been patched in version 3.13.4.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/1/2026

Last Modified4/4/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-400CWE-770

References

https://github.com/aio-libs/aiohttp/commit/0c2e9da51126238a421568eb7c5b53e5b5d17b36(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-w2fm-2cpv-w7v5(security-advisories@github.com)

IOC Correlations

No correlations recorded

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