{"id":"CVE-2026-122320","title":"Kyverno before 1.19.2 Cross-Namespace Resource Read via generate.clone","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 namespace values. Attackers can annotate a trigger…","severity":"high","cvss":7.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"kyverno","product":"kyverno","affected":["kyverno < 1.19.2"],"published":"2026-11-05","updated":"2026-11-05","sourceUpdated":"2026-11-05T02:25:19.286Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-122320","references":[{"url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-493q-9xvg-9xf3","label":"GitHub Security Advisory (GHSA-493q-9xvg-9xf3)"},{"url":"https://www.vulncheck.com/advisories/kyverno-before-1.19.2-cross-namespace-resource-read-via-generate-clone","label":"VulnCheck Advisory: Kyverno before 1.19.2 Cross-Namespace Resource Read via generate.clone"}],"tags":["cve.org"],"ingestedAt":"2026-11-05T21:36:00.688Z","slug":"CVE-2026-122320","body":"## Overview\n\nKyverno 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.\n\n## Affected\n\n- `kyverno < 1.19.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}