CVE-2026-4342
ingress-nginx comment-based nginx configuration injection
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.)
CVSS 3.1 · 8.8 High
EPSS 1.5%
KEV · Not listed
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