CVE-2026-103283Ghost 6.20.0 before 6.57.1 Authentication Bypass via Session Handling
Updated under an hour ago ()
Does this affect you?
It affects TryGhost Ghost. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.27%, higher than 18% of scored CVEs.
Do this next
Free account, 1 product
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.
- CVSS
- 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-613
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.27% (percentile 18)
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TryGhost Ghost tryghost:ghost (from the name) | from 6.20.0 before 6.57.1 | CNA record |
References
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-q55r-w7fh-rmh6vendor-advisory
- https://www.vulncheck.com/advisories/ghost-6.20.0-before-6.57.1-authentication-bypass-via-session-handlingthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.