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CVE-2026-4342

HIGH CVSS: 8.8 Published: 2026-03-19 Modified: 2026-06-17

Description

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.)

Affected Platforms

Kubernetes Nginx Ingress Controller

Weakness Type

CWE-20, NVD-CWE-noinfo

References