CVE-2026-104412

EUVD-2026-91423
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/TryGhost/Ghost/security/advisories/GHSA-4pvx-fwjj-8gpc
https://www.vulncheck.com/advisories/ghost-0.5.0-before-6.64.0-privilege-escalation-via-staff-role-assignment