Description
Ingress-Nginx is vulnerable to a remote code execution vulnerability known as IngressNightmare. This vulnerability allows remote attackers to inject arbitrary NGINX configuration. Improper validation of annotations enables configuration injection that can lead to execution of arbitrary commands in the controller's context and unauthorized access to all secrets accessible to the Ingress-Nginx controller.
Remediation
Upgrade to the latest version of Ingress-Nginx
References
Wiz Blog - Ingress-NGINX Kubernetes Vulnerabilities
CVE-2025-1974: ingress-nginx admission controller RCE escalation