Vulnerabilities
Vulnerable Software

Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 39.2%
CVSS Severity
CVSS v3 Score 9.9
Products affected by CVE-2026-122311


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