Privilege escalation in Tryghost Ghost
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 .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/TryGhost/Ghost/security/advisories/GHSA-pv24-pfvg-vr83 (vendor-advisory)
- www.vulncheck.com/advisories/ghost-2.21.0-before-6.56.0-privilege-escalation-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-103286?
- CVE-2026-103286 is a high-severity vulnerability in Tryghost Ghost, classified under Incorrect Privilege Assignment. CVSS score: 7.3/10. Published 2026-10-01.
- How severe is CVE-2026-103286?
- High severity. CVSS v3 base score is 7.3 out of 10.