{"id":"CVE-2026-103286","revision":"50372d74cc0b4c7fa9e8a1ee1f0075f9","records":[{"revision":"50372d74cc0b4c7fa9e8a1ee1f0075f9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-103286","aliases":[],"title":"Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications","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.","state":0,"publishedAt":"2026-10-01T10:42:21.119+00:00","modifiedAt":"2026-10-01T15:30:38.273+00:00","affected":[{"ecosystem":"Vendor product","name":"Ghost","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"TryGhost\",\n                    \"product\": \"Ghost\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/ghost\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.21.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"6.56.0\"\n                        },\n                        {\n                            \"version\": \"6.56.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.5,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","score":7.3,"severity":"HIGH"}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-pv24-pfvg-vr83","https://www.vulncheck.com/advisories/ghost-2.21.0-before-6.56.0-privilege-escalation-via-notifications"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103286","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-103286","identifiers":["CVE-2026-103286"]},"retained":false,"historicalAffected":[]}],"coverage":[]}