MajorCritical vulnerability

CVE-2026-103286 (CVSS 8.5)

NVD · officialPublished Oct 1, 2026Risk 37/100

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.

Technical details

CVSS

8.5

AV:NetworkAC:LowPR:LowUI:Passive

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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