{"id":"CVE-2026-122320","published":"2026-11-05T03:17:24.867","lastModified":"2026-11-05T03:17:24.867","description":"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.","cvssScore":7.7,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-493q-9xvg-9xf3","tags":[]},{"url":"https://www.vulncheck.com/advisories/kyverno-before-1.19.2-cross-namespace-resource-read-via-generate-clone","tags":[]}],"exploitRefs":[{"url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-493q-9xvg-9xf3","tags":[]}],"hasPoc":true,"ai":null}