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CVE-2025-15566
Ingress NGINX Controller (community-driven) vulnerability analysis and mitigation

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.)


SourceNVD

Related Ingress NGINX Controller (community-driven) vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-4342HIGH8.8
  • Ingress NGINX Controller (community-driven)Ingress NGINX Controller (community-driven)
  • cpe:2.3:a:kubernetes:ingress-nginx
NoYesMar 19, 2026
CVE-2026-3288HIGH8.8
  • Ingress NGINX Controller (community-driven)Ingress NGINX Controller (community-driven)
  • cpe:2.3:a:kubernetes:ingress-nginx
NoYesMar 09, 2026
CVE-2025-15566HIGH8.8
  • Ingress NGINX Controller (community-driven)Ingress NGINX Controller (community-driven)
  • cpe:2.3:a:kubernetes:ingress-nginx
NoYesFeb 06, 2026
CVE-2026-24514MEDIUM6.5
  • Ingress NGINX Controller (community-driven)Ingress NGINX Controller (community-driven)
  • cpe:2.3:a:kubernetes:ingress-nginx
NoYesFeb 03, 2026
CVE-2026-24513LOW3.1
  • Ingress NGINX Controller (community-driven)Ingress NGINX Controller (community-driven)
  • cpe:2.3:a:kubernetes:ingress-nginx
NoYesFeb 03, 2026

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