Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-122309

Kyverno before 1.19.2 contains a denial of service vulnerability that allows namespace-scoped policy authors to exhaust CPU and memory by submitting CEL expressions evaluated without runtime cost limits. Attackers can create a NamespacedValidatingPolicy or NamespacedDeletingPolicy with nested map comprehensions over large ConfigMap fields to OOM-kill Kyverno pods and block cluster-wide admission.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 9.5%
CVSS Severity
CVSS v3 Score 6.2
Products affected by CVE-2026-122309


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