CVE-2026-105678: Tryghost Ghost

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Ghost is a Node.js content management system. From 0.5.0 until 6.64.0, staff users with the Editor or Super Editor role were able to assign their own role to Author and Contributor users, despite not having permission to assign that role. This issue is fixed in version 6.64.0.

Affected products

• Tryghost Ghost: from 0.5.0, before 6.64.0 (fixed in 6.64.0)

Published 2026-10-05. Last modified 2026-10-07.