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CVE-2026-4342ingress-nginx comment-based nginx configuration injection

Kubernetes ingress-nginx Publicada: (hace 7 meses)

Descripción

A security issue was discovered in ingress-nginx where a combination of Ingress annotations 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.)

Debilidad (CWE): CWE-20

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
Kubernetes ingress-nginx < 1.13.9, < 1.14.5, < 1.15.1
kubernetes nginx ingress controller < 1.13.9

Referencias y parches

Coincidencias CPE (NVD) (3)
  • cpe:2.3:a:kubernetes:nginx_ingress_controller:*:*:*:*:*:*:*:* < 1.13.9
  • cpe:2.3:a:kubernetes:nginx_ingress_controller:*:*:*:*:*:*:*:* ≥ 1.14.0 < 1.14.5
  • cpe:2.3:a:kubernetes:nginx_ingress_controller:1.15.0:*:*:*:*:*:*:*

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