CVE-2026-41181

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.44, 3.6.15, and 3.7.0-rc.3, there is an information disclosure vulnerability in Traefik's errors custom error pages middleware. When the backend returns a response matching the configured status range, the middleware forwards the...

CVE-2026-41181 Traefik: Errors middleware forwards Authorization and Cookie headers to separate error page service

Traefik is an HTTP reverse proxy and load balancer. Prior to 2.11.44, 3.6.15, and 3.7.0-rc.3, there is an information disclosure vulnerability in Traefik's errors custom error pages middleware. When the backend returns a response matching the configured status range, the middleware forwards the...

CVE-2026-41181

CVE-2026-41181 affects Traefik before 2.11.44, 3.6.15, and 3.7.0-rc.3. The information disclosure stems from the errors middleware in which, when a response matches a configured status range, the middleware forwards the full request header set (including Authorization and Cookies) to the separate...

PT-2026-37111

Name of the Vulnerable Software and Affected Versions Traefik versions prior to 2.11.44 Traefik versions prior to 3.6.15 Traefik versions prior to 3.7.0-rc.3 Description An information disclosure issue exists in the errors custom error pages middleware. When a backend returns a response matching...