{"id":"CVE-2026-122302","aliases":["EUVD-2026-117213","GHSA-p456-76q8-jj5q","GHSA-q62c-r9v2-cf64"],"status":"published","title":"Kyverno before 1.19.2 Privilege Escalation via Generate Rule Permission Check","description":"Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins to create resources beyond their RBAC because generate-rule admission checks verify the controller's permissions, not the author's. Attackers can create a namespaced Policy with generate rules targeting other namespaces or cluster-scoped kinds, making the background controller create or clone resources cluster-wide.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00284,"percentile":0.21229,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2026-11-05T02:25:07Z","modified":"2026-11-10T21:33:39Z","products":[{"vendor":"kyverno","product":"kyverno"}],"references":[{"url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-q62c-r9v2-cf64","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://www.vulncheck.com/advisories/kyverno-before-1.19.2-privilege-escalation-via-generate-rule-permission-check","tags":["third-party-advisory","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122302","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p456-76q8-jj5q"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122302.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-122302","title":"Kyverno before 1.19.2 Privilege Escalation via Generate Rule Permission Check","description":"Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins to create resources beyond their RBAC because generate-rule admission checks verify the controller's permissions, not the author's. Attackers can create a namespaced Policy with generate rules targeting other namespaces or cluster-scoped kinds, making the background controller create or clone resources cluster-wide.","status":"published","published":"2026-11-05T02:25:07.653Z","modified":"2026-11-09T16:55:27.027Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-09T17:34:05.130069Z"}],"euvd":[{"id":"EUVD-2026-117213","description":"Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins to create resources beyond their RBAC because generate-rule admission checks verify the controller's permissions, not the author's. Attackers can create a namespaced Policy with generate rules targeting other namespaces or cluster-scoped kinds, making the background controller create or clone resources cluster-wide.","status":"published","published":"2026-11-05T02:25:07Z","modified":"2026-11-09T16:55:27Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-09T18:17:40.212453Z"}],"ghsa":[{"id":"GHSA-p456-76q8-jj5q","title":"Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins...","description":"Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins to create resources beyond their RBAC because generate-rule admission checks verify the controller's permissions, not the author's. Attackers can create a namespaced Policy with generate rules targeting other namespaces or cluster-scoped kinds, making the background controller create or clone resources cluster-wide.","status":"published","published":"2026-11-05T03:30:30Z","modified":"2026-11-05T03:30:30Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-269"],"updated_at":"2026-11-05T06:56:56.551068Z"}],"nvd":[{"id":"CVE-2026-122302","description":"Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins to create resources beyond their RBAC because generate-rule admission checks verify the controller's permissions, not the author's. Attackers can create a namespaced Policy with generate rules targeting other namespaces or cluster-scoped kinds, making the background controller create or clone resources cluster-wide.","status":"published","published":"2026-11-05T03:17:22.03Z","modified":"2026-11-10T21:33:39.843Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-11T00:21:52.599454Z"}],"osv":[{"id":"CVE-2026-122302","title":"Kyverno before 1.19.2 Privilege Escalation via Generate Rule Permission Check","description":"Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins to create resources beyond their RBAC because generate-rule admission checks verify the controller's permissions, not the author's. Attackers can create a namespaced Policy with generate rules targeting other namespaces or cluster-scoped kinds, making the background controller create or clone resources cluster-wide.","status":"published","published":"2026-11-05T02:25:07.653Z","modified":"2026-11-12T02:47:43.038895846Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-269"],"updated_at":"2026-11-07T03:08:01.726202Z"}]}}