CVE-2026-103286
Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications
CVSS Score
7.3
EPSS Score
0.0%
EPSS Percentile
0th
Ghost versions from 2.21.0 before 6.56.0 contain a privilege escalation vulnerability in the notifications system that allows low-privilege staff users to escalate to higher-privilege staff roles. Attackers with low-privilege staff access can exploit the notifications system to gain elevated privileges without proper authorization checks.
| CWE | CWE-266 |
| Vendor | tryghost |
| Product | ghost |
| Published | Oct 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
TryGhost / Ghost
2.21.0 < 6.56.0