{"action":"Upgrade github.com/kyverno/kyverno to 1.18.2 or later.","affected":[{"fixed":"1.18.2","introduced":"1.18.0"}],"component":"github.com/kyverno/kyverno","cve_ids":["CVE-2026-54523"],"ecosystem":"Go","epss":0.00466,"exploited":false,"fixed_versions":["1.18.2"],"ghsa_id":"GHSA-79gf-7frw-68m9","id":"tcs_01M5KGT2EADPV1289E9RZ7JHDJ","modified_at":"2026-09-02T16:25:25.401393892Z","published_at":"2026-08-27T19:52:28Z","references":["https://osv.dev/vulnerability/GO-2026-6296","https://github.com/kyverno/kyverno/security/advisories/GHSA-79gf-7frw-68m9","https://github.com/kyverno/kyverno/commit/0919553c0ea1904f8d891280c92018da97946a06","https://github.com/kyverno/kyverno/commit/5164bcdeda5b57678bc2d7a03ecc2cbb02982dae","https://github.com/kyverno/kyverno/pull/16238","https://github.com/kyverno/kyverno/releases/tag/v1.18.2","https://github.com/kyverno/sdk/commit/6573937441443e1ba5af9fbb28d5c0f20297f9df"],"severity":{"label":"critical","score":9.6},"sources":[{"source":"osv","source_id":"GO-2026-6296","url":"https://osv.dev/vulnerability/GO-2026-6296"},{"source":"nvd","source_id":"CVE-2026-54523","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54523"}],"summary":"Kyverno's NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system in github.com/kyverno/kyverno"}