CVE-2025-15566

HIGH

Ingress-Nginx - RCE

Title source: llm

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.)

Exploits (1)

github WORKING POC 2 stars
by exploitintel · cpoc
https://github.com/exploitintel/eip-pocs-and-cves/tree/main/CVE-2025-15566

Scores

CVSS v3 8.8
EPSS 0.0005
EPSS Percentile 16.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (2)
Kubernetes/ingress-nginx < 1.12.5
Kubernetes/ingress-nginx < 1.13.1
Published Feb 06, 2026
Tracked Since Feb 18, 2026