CVE-2026-105678 Ghost: Editors Could Promote Staff Users to Their Own Role
Editors in Ghost CMS could improperly promote other users to their own role, allowing unauthorized privilege escalation within the content management system.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-105678?
CVE-2026-105678 is a medium-severity vulnerability in TryGhost Ghost, published on 5 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-105678?
How do I fix CVE-2026-105678?
Upgrade to a fixed version.
Is CVE-2026-105678 being exploited?
There is no known exploitation of CVE-2026-105678 in the wild and no public exploit code.
Sources
Also known as MINI-r8gw-5hch-qp75.