HIGH 8.3 NVD
CVE-2026-122320
Kyverno before 1.19.2 contains a missing authorization vulnerability that allows namespaced Policy authors to read resources in other namespaces by templating g
Kyverno before 1.19.2 contains a missing authorization vulnerability that allows namespaced Policy authors to read resources in other namespaces by templating generate.clone or cloneList namespace values. Attackers can annotate a triggering ConfigMap so the background-controller copies a victim namespace's sensitive ConfigMap into the attacker's namespace, enabling cross-tenant data disclosure.
References
- https://github.com/kyverno/kyverno/security/advisories/GHSA-493q-9xvg-9xf3
- https://www.vulncheck.com/advisories/kyverno-before-1.19.2-cross-namespace-resource-read-v
This high severity vulnerability with a CVSS score of 8.3 was published on 2026-11-05 via NVD.
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