CVE-2026-103282
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TryGhost | Ghost | 0.5.0 < 6.23.0 | affected |
Weaknesses
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-vf9h-87xm-g767
- https://www.vulncheck.com/advisories/ghost-0.5.0-before-6.23.0-multiple-account-creation-via-invite-token
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