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,...

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,...

CVE-2026-41174

A flaw was found in Traefik, an HTTP reverse proxy and load balancer. When the Kubernetes Custom Resource Definition CRD provider's allowCrossNamespace setting is false, Traefik incorrectly processes nested middleware references. An attacker with permissions to create or update Traefik CRDs in...

Exploit for Authentication Bypass Using an Alternate Path or Channel in Frangoteam Fuxa

CVE-2025-69985: Exploit para Autenticación Bypass a RCE en FUX...

PT-2026-37205

Name of the Vulnerable Software and Affected Versions AzuraCast versions prior to 0.23.6 Description The ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header without a trusted proxy allowlist. An unauthenticated attacker can exploit this by injecting...

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...

CVE-2026-41263 Traefik: BasicAuth middleware: timing side-channel vulnerability

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a timing side-channel vulnerability in Traefik's BasicAuth middleware that allows an attacker to enumerate valid usernames through response-time differences. The variable intended to ho...

CVE-2026-41174 Traefik Kubernetes CRD allows unauthorized cross-namespace middleware binding

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a potential vulnerability in Traefik's Kubernetes CRD provider cross-namespace isolation enforcement. When providers.kubernetesCRD.allowCrossNamespace=false, Traefik correctly rejects...

EUVD-2026-26432

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a potential vulnerability in Traefik's Kubernetes CRD provider cross-namespace isolation enforcement. When providers.kubernetesCRD.allowCrossNamespace=false, Traefik correctly rejects...

CVE-2026-41174

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a potential vulnerability in Traefik's Kubernetes CRD provider cross-namespace isolation enforcement. When providers.kubernetesCRD.allowCrossNamespace=false, Traefik correctly rejects...

CVE-2026-41174

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a potential vulnerability in Traefik's Kubernetes CRD provider cross-namespace isolation enforcement. When providers.kubernetesCRD.allowCrossNamespace=false, Traefik correctly rejects...

CVE-2026-41174

Summary: CVE-2026-41174 affects Traefik’s Kubernetes CRD provider where cross-namespace isolation is breached for nested Chain middlewares, allowing an actor with CRD permissions in their own namespace to cause Traefik to apply middleware from another namespace. The issue occurs when providers.ku...

CVE-2026-41174 Traefik Kubernetes CRD allows unauthorized cross-namespace middleware binding

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a potential vulnerability in Traefik's Kubernetes CRD provider cross-namespace isolation enforcement. When providers.kubernetesCRD.allowCrossNamespace=false, Traefik correctly rejects...

CVE-2026-41174 Traefik Kubernetes CRD allows unauthorized cross-namespace middleware binding

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is a potential vulnerability in Traefik's Kubernetes CRD provider cross-namespace isolation enforcement. When providers.kubernetesCRD.allowCrossNamespace=false, Traefik correctly rejects...

CVE-2026-7381

A flaw was found in Plack::Middleware::XSendfile. A remote attacker can exploit this vulnerability by manipulating HTTP headers, specifically X-Sendfile-Type and X-Accel-Mapping, when the application is deployed behind an nginx reverse proxy. This client-controlled path rewriting could allow the...

CVE-2026-35051: Insufficient Verification of Data Authenticity

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.43, 3.6.14, and 3.7.0-rc.2, there is an authentication bypass vulnerability in Traefik's ForwardAuth middleware when trustForwardHeader=false is configured and Traefik is deployed behind a trusted upstream proxy. This issu...

Traefik security vulnerabilities

Traefik is an open-source reverse proxy and load balancing tool developed by Traefik. Vulnerabilities exist in versions prior to Traefik 2.11.43, 3.6.14, and 3.7.0-rc.2. These vulnerabilities stem from incomplete isolation of Kubernetes CRD-provided programs across namespaces, and lack restrictio...