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CVE-2026-53947

CVE-2026-53947 · Ghost: Member existence leak via magic link sign-in response

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.3 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • ghost

    Versions
    • >= 5.18.0, < 6.21.1: Affected

    No fix published

  • ghost npm

    Affected ranges
    • SEMVER: ≥ 5.18.0, < 6.21.2

    Update to 6.21.2

Original sources

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