{"id":"CVE-2026-103286","published":"2026-10-01T11:17:24.880","lastModified":"2026-10-01T16:17:35.880","description":"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.","cvssScore":7.3,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","cwes":["CWE-266"],"vendors":[],"products":[],"references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-pv24-pfvg-vr83","tags":[]},{"url":"https://www.vulncheck.com/advisories/ghost-2.21.0-before-6.56.0-privilege-escalation-via-notifications","tags":[]}],"exploitRefs":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-pv24-pfvg-vr83","tags":[]}],"hasPoc":true,"ai":null}