Traefik Labs Traefik authorization issue vulnerability

Traefik Labs Traefik versions prior to 3.7.0 and 3.7.14 contain an authorization issue vulnerability. This vulnerability arises because the Kubernetes Ingress-NGINX provider forwards client-supplied Ssl-Client- headers to plaintext HTTP routers. When ssl-redirect is disabled and...

WS-2026-0159

github.com/traefik/traefik/v3 v3.7.0-rc.1 - v3.7.13: the Ingress-NGINX provider does not strip client-supplied Ssl-Client- headers on the plaintext HTTP router of an auth-tls-pass-certificate-to-upstream Ingress, so a client can forge an mTLS identity for the backend GHSA-mwrr-6hp4-pxr6...

CVE-2026-46579

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

EUVD-2026-33274

A flaw was found in the OpenShift Router. When a Route has insecureEdgeTerminationPolicy set to Allow, the HTTP frontend does not remove X-SSL-Client- headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted X-SSL-Client- headers. As a resul...

CVE-2026-46579

OpenShift Router flaw: when Route.insecureEdgeTerminationPolicy is Allow, the HTTP frontend does not strip X-SSL-Client-* headers, enabling an unauthenticated attacker to craft requests that bypass mutual TLS authentication by impersonating client certificate identities. Affected component: OpenS...

PT-2026-44799

Name of the Vulnerable Software and Affected Versions OpenShift Router affected versions not specified Description A flaw in the HTTP frontend occurs when a Route has the insecureEdgeTerminationPolicy set to Allow. In this configuration, the router fails to remove X-SSL-Client- headers from...