{"schema":"threatline.record/2","record":{"id":"CVE-2026-103286","aliases":["GHSA-pv24-pfvg-vr83"],"summary":"Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications","details":"Ghost versions from 2.21.0 before 6.56.0 contain a privilege escalation vulnerability in the notifications system that allows low-privilege staff users to escalate to higher-privilege staff roles. Attackers with low-privilege staff access can exploit the notifications system to gain elevated privileges without proper authorization checks.","categories":["Applications & CMS"],"product":"Ghost","vendor":"TryGhost","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103286","source_modified_at":"2026-10-01T15:30:38.273Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Ghost","vendor":"TryGhost","versions":[{"version":"2.21.0","status":"affected","versionType":"semver","lessThan":"6.56.0"},{"version":"6.56.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103286","source_modified_at":"2026-10-01T15:30:38.273Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Ghost","ecosystem":null},"version":"6.56.0","basis":"first unaffected version stated in the CVE record"}],"cvss":8.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00185,"percentile":0.07652,"score_date":"2026-10-23"},"published_at":"2026-10-01T10:42:21.119Z","modified_at":"2026-10-01T15:30:38.273Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103286","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T15:30:38.273Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103286","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/TryGhost/Ghost/security/advisories/GHSA-pv24-pfvg-vr83","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/ghost-2.21.0-before-6.56.0-privilege-escalation-via-notifications","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":"2026-10-01T15:30:05.842509Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T15:30:38.273Z","content_hash":"b826745d73762e9ce44830bda69f713da3834a0a4ced390ca0ec64f635974e40"}}