CVE-2026-103286 — Ghost 2.21.0 before 6.56.0 Privilege Escalation via Notifications
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-pri…
Published: 2026-10-01 · CVSS: 8.5 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7