high

CVE-2026-111064

PyPI · aiohttp

Summary

aiohttp server lacks an initial request/header timeout

Severity
high
EPSS
0.4% (p34)
CWE
CWE-770
Also known as
GHSA-5wr8-gcqf-gqf3
Published
2026-10-19
Updated
2026-10-19

Advisory details

Summary

The keepalive timeout was not used during the initial portion of a request.

Impact

An attacker could keep an idle connection open indefinitely before sending any data.

Workaround

Use a reverse proxy (as recommended for all production deployments) with sensible keepalive limits.

References

Related advisories

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPTClaudePerplexity

Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.