High severity8.8NVD Advisory· Published Feb 6, 2026· Updated Apr 15, 2026
CVE-2025-15566
CVE-2025-15566
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.)
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
5- TeamPCP Weekly Analysis: 2026-W18 (2026-04-27 through 2026-05-03), (Mon, May 4th)SANS Internet Storm Center · May 4, 2026
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- The Good, the Bad and the Ugly in Cybersecurity – Week 14SentinelOne Labs · Apr 3, 2026
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