{"schema":"threatline.record/2","record":{"id":"CVE-2026-100706","aliases":["GHSA-5qq8-67g6-4h2w"],"summary":"kyverno before 1.19.1 Privilege Escalation via Policy apiCall urlPath","details":"kyverno before 1.19.1 fails to properly validate URL-encoded path segments in Policy apiCall urlPath, allowing namespace tenants to bypass the per-namespace clamp and create objects in other namespaces as the admission-controller ServiceAccount. Attackers can exploit this by using percent-encoded directory traversal sequences to create MutatingWebhookConfiguration objects cluster-wide or PolicyException objects in the kyverno namespace, enabling privilege escalation to cluster admin.","categories":["Unclassified"],"product":"kyverno","vendor":"kyverno","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100706","source_modified_at":"2026-09-26T23:08:54.549Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"kyverno","vendor":"kyverno","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"1.19.1"},{"version":"1.19.1","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100706","source_modified_at":"2026-09-26T23:08:54.549Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"kyverno","ecosystem":null},"version":"1.19.1","basis":"first unaffected version stated in the CVE record"}],"cvss":9.4,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00613,"percentile":0.48708,"score_date":"2026-10-23"},"published_at":"2026-09-26T13:24:00.707Z","modified_at":"2026-09-26T23:08:54.549Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-100706","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-26T23:08:54.549Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-100706","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-5qq8-67g6-4h2w","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/kyverno-before-1.19.1-privilege-escalation-via-policy-apicall-urlpath","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-09-26T23:08:47.920272Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-09-26T23:08:54.549Z","content_hash":"a30efd6804e93a9e3f68b004352b09496a98e25a78bd814ebe26b4980b8336af"}}