{"id":"CVE-2026-53947","revision":"978d72f8e76a4b5ab2565f09a03bac65","records":[{"revision":"978d72f8e76a4b5ab2565f09a03bac65","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53947","aliases":[],"title":"Ghost: Member existence leak via magic link sign-in response","description":"Ghost is a Node.js content management system. From 5.18.0 until 6.21.1, a discrepancy in responses from the members signin endpoints made it possible for an unauthenticated attacker to determine whether a given email address belongs to a registered member of a Ghost site. This vulnerability is fixed in 6.21.1.","state":0,"publishedAt":"2026-06-24T18:07:42.965+00:00","modifiedAt":"2026-06-25T17:09:22.498+00:00","affected":[{"ecosystem":"Vendor product","name":"Ghost","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"TryGhost\",\n                    \"product\": \"Ghost\",\n                    \"versions\": [\n                        {\n                            \"version\": \">= 5.18.0, < 6.21.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-chgm-3698-jm42"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53947","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53947","identifiers":["CVE-2026-53947"]},"retained":false,"historicalAffected":[]}],"coverage":[]}