{"id":"CVE-2026-103273","published":"2026-10-01T11:17:22.730","lastModified":"2026-10-01T15:06:17.330","description":"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.","cvssScore":4.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-863"],"vendors":[],"products":[],"references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-jj85-wvj2-r86m","tags":[]},{"url":"https://www.vulncheck.com/advisories/ghost-4.3.0-before-6.58.0-incorrect-authorization-via-staff-token","tags":[]}],"exploitRefs":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-jj85-wvj2-r86m","tags":[]}],"hasPoc":true,"ai":null}