CVE-2026-3288
Description
A security issue was discovered in ingress-nginx where the `nginx.ingress.kubernetes.io/rewrite-target` 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.)
CWE
- CWE-20 — CWE-20 Improper Input Validation
Affected
- Kubernetes / ingress-nginx — v=0 <1.13.8 [affected]; v=0 <1.14.4 [affected]; v=0 <1.15.0 [affected]
CVSS
- 3.1 score=8.8 severity=HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
Source
cvelistV5-main/cves/2026/3xxx/CVE-2026-3288.json