CVE-2025-15566 ingress-nginx auth-proxy-set-headers nginx configuration injection

A security issue was discovered in ingress-nginx where the nginx.ingress.kubernetes.io/auth-proxy-set-headers Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets...

CVE-2025-66491

Traefik is an HTTP reverse proxy and load balancer. Versions 3.5.0 through 3.6.2 have inverted TLS verification logic in the nginx.ingress.kubernetes.io/proxy-ssl-verify annotation. Setting the annotation to "on" intending to enable backend TLS certificate verification actually disables...

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...

Ingress nginx annotation injection causes arbitrary command execution

Issue Details A security issue was identified in ingress-nginx where the nginx.ingress.kubernetes.io/configuration-snippet annotation on an Ingress object in the networking.k8s.io or extensions API group can be used to inject arbitrary commands, and obtain the credentials of the ingress-nginx...