Traefik's ForwardAuth trustForwardHeader=false allows spoofed X-Forwarded-Prefix to bypass authentication in github.com/traefik/traefik
Traefik's ForwardAuth trustForwardHeader=false allows spoofed X-Forwarded-Prefix to bypass authentication in github.com/traefik/traefik
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-35051US | critical10.0OT elevated | — | ||
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 midd… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/traefik/traefik/releases/tag/v2.11.43WEB
- https://github.com/traefik/traefik/releases/tag/v3.6.14WEB
- https://github.com/traefik/traefik/releases/tag/v3.7.0-rc.2WEB
- https://github.com/traefik/traefik/security/advisories/GHSA-6384-m2mw-rf54ADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-35051ADVISORY
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