8.8
High
CVE-2026-4342 A security issue was discovered in ingress-nginx where a combination of Ingress annotations can be used to inject…
Description
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.)
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| ingress-nginx 1.15 | earliest → < 1.15.1 | 1.15.1 |
| ingress-nginx 1.14 | earliest → < 1.14.5 | 1.14.5 |
| ingress-nginx 1.13 | earliest → < 1.13.9 | 1.13.9 |
Other CVEs of ingress-nginx
The 18 CVEs of ingress-nginx →
CVE-2026-116472
ingress-nginx mirror-target self-DOS
2.7
Low
CVE-2026-3288
A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/rewrite-target` Ingress…
8.8
High
CVE-2025-15566
A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/auth-proxy-set-headers`…
8.8
High
CVE-2026-24514
A security issue was discovered in ingress-nginx where the validating admission controller feature is subject to a…
6.5
Medium