CVE-2026-4342
CVE-2026-4342 · ingress-nginx comment-based nginx configuration injection
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.)
CVSS 8.8 · High · EPSS 0.6% · Fix available
- Published
- Updated
Stack: containers
Affected products and versions
ingress-nginx
- Versions
- ≥ 0, < 1.13.9: Affected (semver)
- ≥ 0, < 1.14.5: Affected (semver)
- ≥ 0, < 1.15.1: Affected (semver)
Update to 1.13.9