CVE-2026-103283
Ghost 6.20.0 before 6.57.1 Authentication Bypass via Session Handling
- State
- Published
- Severity
- 8.6 High
- Published
- Oct 1, 2026
- Updated
- Oct 6, 2026
- Reserved
- Sep 30, 2026
Description
Ghost versions 6.20.0 before 6.57.1 contain a session handling vulnerability that allows authenticated staff users to log in as any other staff user with only the password, bypassing two-factor authentication. Attackers with valid staff credentials can exploit improper session management to impersonate other staff members and gain unauthorized access to administrative functions.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N | VulnCheck |
Weaknesses
- CWE-613 Insufficient Session Expiration
Affected Products
| Product | Versions |
|---|---|
GhostTryGhost |
|
References
- GitHub Security Advisory (GHSA-q55r-w7fh-rmh6)vendor-advisory
- VulnCheck Advisory: Ghost 6.20.0 before 6.57.1 Authentication Bypass via Session Handlingthird-party-advisory
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