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8.8High

CVE-2025-15566ingress-nginx auth-proxy-set-headers nginx configuration injection

Kubernetes ingress-nginx Published: (9 months ago)

Description

A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers` 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.)

Weakness (CWE): CWE-20

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
Kubernetes ingress-nginx < 1.12.5, < 1.13.1

References and patches

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