CVE-2026-88877

This CRITICAL (CVSS 3.1: 9.8) vulnerability affects Traefik v3.7.0 through v3.7.11, specifically its Kubernetes ingress-nginx provider . When an Ingress carries both an authentication annotation and the from-to-www-redirect annotation, the provider creates a "sibling" router that matches on host ...

cve-2024-7646

CVE-2024-7646 Descripción Por defecto, nginx.ingress.kubernetes.io/server-snippet está deshabilitado, pero debido a este CVE, nginx.ingress.kubernetes.io/auth-tls-verify-client puede aún insertar fragmentos personalizados, o incluso se puede incluir código lua. Versión corregida controlador...

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...