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GHSA-mfx4-hv73-q22v on CTRL-OS 26.05

Aliases: GHSA-mfx4-hv73-q22v

Packages: python3Packages.aiohttp

Status: Plausible

Advisory Information

Summary

The HTTP parsers were vulnerable to a request smuggling attack relating to WebSocket upgrades.

Impact

If using the server-side component, it may be possible for an attacker to execute a request smuggling vulnerability using an edge case in the WebSocket upgrade procedure. We are unaware of any public exploit code.

Patch: https://github.com/aio-libs/aiohttp/commit/6ae358f0983c3f4d6f67692b2f8e65dc8e091c98

Updates

2026-07-27 23:21 CEST

Metadata changes:

  • Status for package python3Packages.aiohttp: “Plausible”

2026-07-27 18:50 CEST

Metadata changes:

  • Status for package python3Packages.aiohttp: “New”