Vulnerability · Published Oct 5, 2026 · Assigned by GitHub_M
CVE-2026-105678Ghost: Editors Could Promote Staff Users to Their Own Role
Medium 4.3
In plain English
A medium-severity privilege mismanagement in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 90.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | ghost | 6.64.0 | GHSA-4pvx-fwjj-8gpc |
Affected products (as reported)
Weakness: CWE-269, CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-4pvx-fwjj-8gpc x_refsource_CONFIRM
- https://github.com/TryGhost/Ghost/issues/30764 x_refsource_MISC
- https://github.com/TryGhost/Ghost/commit/99c5642b9bb481df4811a004a6f19d6143ed9aaf x_refsource_MISC
- https://github.com/TryGhost/Ghost/releases/tag/v6.64.0 x_refsource_MISC