{"affected":[{"defaultStatus":"unaffected","ecosystem":"golang","packageName":"github.com/kyverno/kyverno","product":"kyverno","source":"CNA: VulnCheck","vendor":"kyverno","versions":[{"lessThan":"1.19.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"1.19.2","versionType":"semver"}]}],"cveId":"CVE-2026-122320","cwes":["CWE-862"],"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":8.3,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","version":"4.0"},{"score":7.7,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1793845519286,"publishedAt":1793845519286,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-493q-9xvg-9xf3"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/kyverno-before-1.19.2-cross-namespace-resource-read-via-generate-clone"}],"remediation":[],"revision":"3b09876b3a768ae1ff3870da2ed53847e671cd458b16c8ec4a697796d04adfde","sources":[{"modifiedAt":1793845519286,"name":"CNA: VulnCheck","retrievedAt":1793848173624,"url":"https://www.cve.org/CVERecord?id=CVE-2026-122320"}],"ssvc":null,"status":"published","title":"Kyverno before 1.19.2 Cross-Namespace Resource Read via generate.clone","updatedAt":1793848173624}