CVE-2026-35051

HIGH SEVERITY

CVSS Score & Metrics

Base Score

10.0 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

April 24, 2026

Last Modified

May 01, 2026

CWE ID

CWE-345

Source

GitHub

Vendor

Product

github.com/traefik/traefik/v3

External References

https://github.com/traefik/traefik/security/advisories/GHSA-6384-m2mw-rf54
https://github.com/traefik/traefik/releases/tag/v2.11.43
https://github.com/traefik/traefik/releases/tag/v3.6.14
https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.2
https://github.com/advisories/GHSA-6384-m2mw-rf54

CVE-2026-35051

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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