CVE-2026-103282: Tryghost Ghost

Medium severity, CVSS 4.3. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Tryghost Ghost: from 0.5.0, before 6.23.0 (fixed in 6.23.0)

Published 2026-10-01. Last modified 2026-10-01.