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GHSA-5wr8-gcqf-gqf3

aiohttp server lacks an initial request/header timeout

Source: GitHub Advisory Database (reviewed) High CVE-2026-111064

Packages

EcosystemPackageAffectedFixed in
PyPI aiohttp < 3.14.4 3.14.4

Details

As written in the advisory (Markdown source, shown as plain text).

### 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

External links from the advisory. They lead to third-party sites.