CVE-2026-103286
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.
- Published Oct 1, 2026
- CVSS 8.5 high
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available