CVE-2026-103286: Tryghost Ghost

High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Tryghost Ghost: from 2.21.0, before 6.56.0 (fixed in 6.56.0)

Published 2026-10-01. Last modified 2026-10-01.