CVE-2026-67309

A flaw was found in Traefik. This path traversal vulnerability exists in the Kubernetes Ingress NGINX provider's RewriteTarget middleware. A remote attacker can craft a special request that uses dot-segment traversal to bypass authentication mechanisms like BasicAuth, DigestAuth, or ForwardAuth...

Traefik 3.7.0 < 3.7.8 Path Traversal Authentication Bypass (CVE-2026-67309)

The version of Traefik installed on the remote macOS host is 3.7.x prior to 3.7.8. It is, therefore, affected by a path traversal vulnerability: - A path traversal vulnerability in the Kubernetes Ingress NGINX provider's RewriteTarget middleware allows an unauthenticated attacker to craft request...

CVE-2026-67309: Improper Limitation of a Pathname to a Restricted Directory

Traefik versions = v3.7.0 and = v3.7.7 contain a path traversal vulnerability in the Kubernetes Ingress NGINX provider's RewriteTarget middleware generated from the nginx.ingress.kubernetes.io/rewrite-target annotation. When an Ingress path uses a regex that captures attacker-controlled text...

PT-2026-75944

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-8rxv-jg7p-wvg3. This link is maintained to preserve external references. Original Description Traefik versions = v3.7.0 and = v3.7.7 contain a path traversal vulnerability in the Kubernetes Ingress NGINX...