Unrated severityNVD Advisory· Published Jun 24, 2026
Ghost: Member existence leak via magic link sign-in response
CVE-2026-53947
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.
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Affected products
1Patches
Vulnerability mechanics
References
1- github.com/TryGhost/Ghost/security/advisories/GHSA-chgm-3698-jm42mitrex_refsource_CONFIRM
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