kubernetes/ingress-nginx · Security
ingress-nginx's `nginx.ingress.kubernetes.io/auth-method` Ingress annotation can be used to inject configuration into nginx
- GHSA ID
- GHSA-9h3p-52vh-959w
- CVE ID
- CVE-2026-1580
- Severity
- high
- Published
- Updated
- CVSS
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.)
CWEs
- CWE-20 · Improper Input Validation