CVE-2026-105678: CWE-269: Improper Privilege Management in TryGhost Ghost
Description
Ghost, a Node.js content management system, had an improper privilege management vulnerability affecting versions from 0.5.0 up to but not including 6.64.0. Staff users with Editor or Super Editor roles could assign their own role to Author and Contributor users without proper permission. This issue was resolved in version 6.64.0.
CVSS v3.1
Score 4.3medium
Affected software
TryGhost
Ghost
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-105678 describes an improper privilege management vulnerability (CWE-269) in the Ghost CMS. Specifically, staff users with Editor or Super Editor roles were able to escalate privileges by assigning their own roles to Author and Contributor users, despite lacking the permission to do so. This flaw existed in Ghost versions from 0.5.0 through 6.63.x and was fixed in version 6.64.0.
Potential Impact
The vulnerability allows users with Editor or Super Editor roles to improperly assign roles to other users, potentially leading to unauthorized privilege escalation within the application. The CVSS score of 4.3 (medium severity) reflects limited impact, with no confidentiality or availability impact but a low complexity attack vector and requiring some privileges.
Mitigation Recommendations
Upgrade Ghost to version 6.64.0 or later, where this privilege management issue has been fixed. No other mitigation or temporary workaround is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-10-05T17:48:58.626Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac3ff2f2cdf04f65632d8c4
Added to database: 10/05/2026, 19:49:03 UTC
Last enriched: 10/05/2026, 20:03:31 UTC
Last updated: 10/05/2026, 20:08:13 UTC
Views: 10
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