CRITICAL 9.4 NVD
CVE-2026-122311
Kyverno from 1.16.0 before 1.19.2 fails to validate path segments in the resource argument of resource.get() and resource.post(), allowing namespaced CEL polici
Kyverno from 1.16.0 before 1.19.2 fails to validate path segments in the resource argument of resource.get() and resource.post(), allowing namespaced CEL policies to escape their namespace. Tenants who can create a NamespacedValidatingPolicy can insert .. segments to read and write arbitrary cluster objects using the admission controller's ServiceAccount, leading to cluster takeover.
References
- https://github.com/kyverno/kyverno/security/advisories/GHSA-4pqm-wqq6-h9q2
- https://www.vulncheck.com/advisories/kyverno-1.16.0-before-1.19.2-path-traversal-in-namesp
This critical severity vulnerability with a CVSS score of 9.4 was published on 2026-11-05 via NVD.
Risk Timeline
CVE Disclosed2026-11-05 · -1 days ago
Remediation Resources
vulnfeed aggregates 16624 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.