CVE-2026-104412: Tryghost Ghost

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

Ghost 0.5.0 before 6.64.0 does not correctly restrict staff role assignment, allowing users with the Editor or Super Editor role to assign their own role to other staff despite lacking permission to do so. An authenticated Editor or Super Editor can promote Author and Contributor users to Editor or Super Editor.

Affected products

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

Published 2026-10-02. Last modified 2026-10-06.