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

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

CVE ID : CVE-2025-15566 Published : Feb. 6, 2026, 3:13 a.m. | 1 hour, 6 minutes ago Description : 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 accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.) Severity: 8.8 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
HIGH
Published
Feb. 6, 2026
Affected Product: nginx
Impact: code execution