CVE-2026-35051
CVE-2026-35051 · Traefik: ForwardAuth trustForwardHeader=false allows spoofed X-Forwarded-Prefix to bypass auth
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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.
CVSS 7.8 · Alta · EPSS 0,3%
- Publicación
- Actualización
Pila tecnológica: web
Productos y versiones afectados
traefik
- Versiones
- < 2.11.43: Afectada
- >= 3.0.0-beta1, < 3.6.14: Afectada
- >= 3.7.0-ea.1, < 3.7.0-rc.2: Afectada
Sin corrección publicada
Fuentes originales
- 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://access.redhat.com/security/cve/CVE-2026-35051
- https://bugzilla.redhat.com/show_bug.cgi?id=2464235
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-35051.json
- https://access.redhat.com/errata/RHSA-2026:21772
- https://nvd.nist.gov/vuln/detail/CVE-2026-35051