{"id":"CVE-2026-53947","revision":"c95a264317f8413eb8c5fa0835c553ef","records":[{"revision":"c95a264317f8413eb8c5fa0835c553ef","observedAt":"2026-10-27T14:13:29.239+00:00","statement":{"source":"nvd","id":"CVE-2026-53947","aliases":[],"title":"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 re…","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":"2026-06-24T19:17:12.337+00:00","modifiedAt":"2026-10-25T22:10:00.15+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","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://nvd.nist.gov/vuln/detail/CVE-2026-53947","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-204"],"productCriteria":[],"sourceDates":{"published":"2026-06-24T19:17:12.337","lastModified":"2026-10-25T22:10:00.150"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-53947","identifiers":["CVE-2026-53947"]},"retained":false,"historicalAffected":[]}],"coverage":[]}