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 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...

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...

GHSA-P6HG-QH38-555R Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service

Summary There is a medium severity 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 original request's complete header set, including Authorization, Cookie,...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the errors middleware process. An attacker can obtain sensitive authentication headers, such as Authorization and Cookie, by triggering a backend response that matches the configured...

Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service

Summary There is a medium severity 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 original request's complete header set, including Authorization, Cookie,...

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...