EUVD-2026-38577

Traefik is an HTTP reverse proxy and load balancer. Prior to 3.6.21 and 3.7.5, there is a high severity vulnerability in Traefik's Kubernetes Gateway provider affecting the crossProviderNamespaces allowlist. For HTTPRoute rules that declare multiple WRR backendRefs, Traefik evaluates the allowlis...

Traefik Kubernetes Ingress NGINX provider fails open when auth-secret resolution fails

Summary There is a medium severity vulnerability in Traefik's Kubernetes Ingress NGINX provider that causes affected routes to fail open. When an Ingress explicitly enables BasicAuth or DigestAuth through the supported nginx.ingress.kubernetes.io/auth-type and auth-secret annotations, but the...

PT-2026-40716

Name of the Vulnerable Software and Affected Versions Traefik versions prior to 2.11.46 Traefik versions prior to 3.6.17 Traefik versions prior to 3.7.1 Description Traefik's Kubernetes Gateway API provider contains an authorization bypass that allows a tenant with HTTPRoute creation permissions ...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to unbounded processing of responses in the ForwardAuth middleware due to the lack of restrictions for maxResponseBodySize configuration. An attacker can cause resource exhaustion...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to inverted logic in the InsecureSkipVerify field when processing the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. An attacker can intercept and read sensitive data by performing...