npm/ghost CVE-2026-53947: medium 5.3, EPSS 0.34%

Ghost: Member existence leak via magic link sign-in response

Action: Upgrade ghost to 6.21.2 or later.

npm i ghost@6.21.2

Affected

Fixed versions

Sources

• osv: GHSA-chgm-3698-jm42
• https://github.com/TryGhost/Ghost/security/advisories/GHSA-chgm-3698-jm42
• https://nvd.nist.gov/vuln/detail/CVE-2026-53947
• https://github.com/TryGhost/Ghost/pull/26752
• https://github.com/TryGhost/Ghost/commit/fb2bb634653d99de68fc42d415721d755284fe30
• https://github.com/TryGhost/Ghost
• https://github.com/TryGhost/Ghost/releases/tag/v6.21.1

CVE-2026-53947 · published 2026-08-04T21:56:13Z · modified 2026-08-04T22:00:24.102958777Z · JSON