aiohttp: Multiple instances of excessive or unbounded memory/CPU use

Date Oct 19, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI · aiohttp
High-risk advisory

Summary

aiohttp: Multiple instances of excessive or unbounded memory/CPU use

Why it matters

GitHub has published a reviewed security advisory for aiohttp. Prioritize it with other application dependency updates.

Operator check

Check whether aiohttp is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.7.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.