[ CVE-2026-103282 · Published 1 Oct 2026 ]

Vulnerability in TryGhost Ghost

CVSS 4.3 EPSS <1%No fix listed yet

[ Description ]Official description

Ghost versions 0.5.0 before 6.23.0 contain a concurrency issue in the staff invitation acceptance mechanism that allows multiple accounts to be created from a single invite token. Attackers can exploit this race condition by submitting concurrent requests with the same invitation token to create duplicate user accounts.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.