CVE-2025-1974: Kubernetes Ingress-Nginx

Critical severity, CVSS 9.8. EPSS: 99.4% chance of exploitation in the next 30 days.

A security issue was discovered in Kubernetes where under certain conditions, an unauthenticated attacker with access to the pod network can achieve arbitrary code execution in the context of the ingress-nginx controller. This can lead to disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)

Affected products

• Kubernetes Ingress-Nginx: up to and including 1.11.4; version 1.12.0 only

Published 2025-03-25. Last modified 2026-06-17.