Vulnerability · Published Oct 1, 2026 · Assigned by VulnCheck
CVE-2026-103282Ghost 0.5.0 before 6.23.0 Multiple Account Creation via Invite Token
Medium 4.3
In plain English
A medium-severity race condition in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.1%top 96.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-362 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
References
- GitHub Security Advisory (GHSA-vf9h-87xm-g767) vendor-advisory
- VulnCheck Advisory: Ghost 0.5.0 before 6.23.0 Multiple Account Creation via Invite Token third-party-advisory