Vulnerability in Tryghost Ghost
CVE-2026-103282
Ghost versions 0.5.0 before 6.23.0 contain a concurrency issue in the staff invitation acceptance mechanism that allows multiple accounts to be created from a single invite token. Attackers can exploit this race condition by submitting concurrent requests with the same invitation token to create duplicate user accounts.
Vulnerability class: Race Condition
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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-vf9h-87xm-g767 (vendor-advisory)
- www.vulncheck.com/advisories/ghost-0.5.0-before-6.23.0-multiple-account-creatio… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-103282?
- CVE-2026-103282 is a medium-severity vulnerability in Tryghost Ghost, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.3/10. Published 2026-10-01.
- How severe is CVE-2026-103282?
- Medium severity. CVSS v3 base score is 4.3 out of 10.