VULNERABILITY INTELLIGENCE

CVE-2026-35051

CVSS score10 CRITICAL
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-04-30
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-345
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-501

Primary references