{"id":"CVE-2026-122310","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-122310","summary":"Kyverno from 1.19.1 before 1.19.2 validates a Policy's context.apiCall urlPath after cleaning it but executes the raw path, whose fragment or query the Kubernetes client discards. A…","details":"Kyverno from 1.19.1 before 1.19.2 validates a Policy's context.apiCall urlPath after cleaning it but executes the raw path, whose fragment or query the Kubernetes client discards. A namespace-scoped user who can create a Policy can hide ../ segments behind # or ? to reach cluster-scoped endpoints with Kyverno's ServiceAccount, gaining cluster admin.","published":"2026-11-05T03:17:23.337","modified":"2026-11-05T03:17:23.337","cvss":{"score":9.9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-3xfv-vq8x-qhg4"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/kyverno-1.19.1-before-1.19.2-privilege-escalation-via-policy-apicall-urlpath"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-11-05T03:17:23.337"}}