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CVE-2026-35051

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CVE-2026-35051

Published: Apr 30, 2026

Modified: May 1, 2026

PUBLISHED

Description

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an authentication bypass vulnerability in Traefik's ForwardAuth middleware when trustForwardHeader=false is configured and Traefik is deployed behind a trusted upstream proxy. This issue has been patched in versions 2.11.43, 3.6.14, and 3.7.0-rc.2.

VendorProductVersions

traefik

traefik

affected
< 2.11.43
affected
>= 3.0.0-beta1, < 3.6.14
affected
>= 3.7.0-ea.1, < 3.7.0-rc.2

Weaknesses (CWE)

CWE-345

References

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