{"id":"CVE-2026-122310","title":"Kyverno 1.19.1 before 1.19.2 Privilege Escalation via Policy apiCall urlPath","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 namespace-scoped user who can create a Policy can hide …","severity":"critical","cvss":9.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-436"],"vendor":"kyverno","product":"kyverno","affected":["kyverno >= 1.19.1 < 1.19.2"],"published":"2026-11-05","updated":"2026-11-05","sourceUpdated":"2026-11-05T02:25:12.955Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-122310","references":[{"url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-3xfv-vq8x-qhg4","label":"GitHub Security Advisory (GHSA-3xfv-vq8x-qhg4)"},{"url":"https://www.vulncheck.com/advisories/kyverno-1.19.1-before-1.19.2-privilege-escalation-via-policy-apicall-urlpath","label":"VulnCheck Advisory: Kyverno 1.19.1 before 1.19.2 Privilege Escalation via Policy apiCall urlPath"}],"tags":["cve.org"],"ingestedAt":"2026-11-05T21:36:00.685Z","epss":0.00357,"epssPercentile":0.29574,"slug":"CVE-2026-122310","body":"## Overview\n\nKyverno 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.\n\n## Affected\n\n- `kyverno >= 1.19.1 < 1.19.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":54.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}