CVE-2026-1580 – ingress-nginx auth-method nginx configuration injection

CVE ID : CVE-2026-1580

Published : Feb. 3, 2026, 10:16 p.m. | 1 hour, 1 minute ago

Description : A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-method` 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

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