GitHub Advisoryadvisory · Go

GHSA-9h3p-52vh-959w ingress-nginx's `nginx.ingress.kubernetes.io/auth-method` Ingress annotation can be used to inject configuration into nginx

HIGH Published 2026-02-04 Modified 2026-02-04 Official page ↗
Aliases
CVE-2026-1580
Ecosystem
Go
Packages
k8s.io/ingress-nginx
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-20
Reviewed
2026-02-04

Affected packages

• Go k8s.io/ingress-nginx: < 1.13.7 → fixed in 1.13.7 • Go k8s.io/ingress-nginx: >= 1.14.0, < 1.14.3 → fixed in 1.14.3

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.)

Related

Alias · CVE (1)

  • CVE-2026-1580 A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-method` Ingress annotation can be used to… vulnerability

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References