CVE-2026-111064: aiohttp server lacks an initial request/header timeout

October 19, 2026

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

References

github.com/advisories/GHSA-5wr8-gcqf-gqf3
github.com/aio-libs/aiohttp/commit/be846822b4b3a5a54b6163e794b42dc06fba54a3
github.com/aio-libs/aiohttp/releases/tag/v3.14.4
github.com/aio-libs/aiohttp/security/advisories/GHSA-5wr8-gcqf-gqf3
nvd.nist.gov/vuln/detail/CVE-2026-111064

Code Behaviors & Features

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