aio-libs/aiohttp · Security

aiohttp server lacks an initial request/header timeout

GHSA ID
GHSA-5wr8-gcqf-gqf3
CVE ID
CVE-2026-111064
Severity
high
Published
Updated
CVSS v4
8.2 · CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Description

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.

CWEs

References