{"schema":"threatline.record/2","record":{"id":"CVE-2026-103273","aliases":["GHSA-jj85-wvj2-r86m"],"summary":"Ghost 4.3.0 before 6.58.0 Incorrect Authorization via Staff Token","details":"Ghost versions 4.3.0 before 6.58.0 contain an authentication bypass vulnerability where lower-privilege staff users can use staff tokens to bypass post editing restrictions. Attackers with staff credentials can leverage tokens to edit posts beyond their assigned privilege level.","categories":["Applications & CMS"],"product":"Ghost","vendor":"TryGhost","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103273","source_modified_at":"2026-10-01T13:33:50.258Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Ghost","vendor":"TryGhost","versions":[{"version":"4.3.0","status":"affected","versionType":"semver","lessThan":"6.58.0"},{"version":"6.58.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-103273","source_modified_at":"2026-10-01T13:33:50.258Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"Ghost","ecosystem":null},"version":"6.58.0","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00257,"percentile":0.16466,"score_date":"2026-10-23"},"published_at":"2026-10-01T10:42:11.810Z","modified_at":"2026-10-01T13:33:50.258Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-103273","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-01T13:33:50.258Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-103273","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-jj85-wvj2-r86m","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/ghost-4.3.0-before-6.58.0-incorrect-authorization-via-staff-token","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":"partial","assessed_at":"2026-10-01T13:33:41.482510Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T13:33:50.258Z","content_hash":"86ce1ba9036d8687b3a146da7d8ed96cffca56168f8af9e5c49408dbc5479b61"}}