CVE-2026-105678CWE-269CWE-863broken-access-controlprivilege-escalation

CVE-2026-105678

Medium · published October 6, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
8.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00196 · 8.8th percentile
Weaknesses
CWE-269 · Improper Privilege Management; CWE-863 · Incorrect Authorization
Published
2026-10-06T00:17Z
References (4)
https://github.com/TryGhost/Ghost/commit/99c5642b9bb481df4811a004a6f19d6143ed9aaf · [email protected]https://github.com/TryGhost/Ghost/issues/30764 · [email protected]https://github.com/TryGhost/Ghost/releases/tag/v6.64.0 · [email protected]https://github.com/TryGhost/Ghost/security/advisories/GHSA-4pvx-fwjj-8gpc · [email protected]
EPSS history
Timeline
  • 08 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 05 OCT 19:20Z
    Ghost: Editors Could Promote Staff Users to Their Own Role
    cvelistv5
  • 05 OCT 19:20Z
    Ghost: Editors Could Promote Staff Users to Their Own Role
    cvelistv5