{"id":"CVE-2026-122320","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-122320","summary":"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…","details":"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.","published":"2026-11-05T03:17:24.867","modified":"2026-11-05T03:17:24.867","cvss":{"score":7.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-493q-9xvg-9xf3"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/kyverno-before-1.19.2-cross-namespace-resource-read-via-generate-clone"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-05T03:17:24.867"}}