traefik-stripprefix-auth-bypass-cve-2026-48020-path-normalization

CVE-2026-48020 — Traefik StripPrefix Route-Level Auth Bypass PoC A self-contained proof of concept for CVE-2026-48020 , a route-level authentication/authorization bypass in Traefik's StripPrefix middleware caused by path normalisation happening after routing decisions are made. A request such as...

CVE-2026-48020

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.48, 3.6.19, and 3.7.3, there is a high severity vulnerability in Traefik's StripPrefix middleware that allows an unauthenticated attacker to bypass route-level authentication and authorization. When a public router matches on a...

CVE-2026-48020: Authentication Bypass Using an Alternate Path or Channel

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.48, 3.6.19, and 3.7.3, there is a high severity vulnerability in Traefik's StripPrefix middleware that allows an unauthenticated attacker to bypass route-level authentication and authorization. When a public router matches on a...