Ghost's improper authentication allows access to member information and actions
Priority LOW 35CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284.
Summary
Ghost is a Node.js content management system. Improper authentication on some endpoints used for member actions would allow an attacker to perform member-only actions, and read member information. This security vulnerability is present in Ghost v4.46.0-v5.89.4. v5.89.5 contains a fix for this issue.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00322 25th percentileScored 2026-11-07
Fix Fixed ghost (npm): 5.89.5@tryghost/portal (npm): 2.39.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TryGhost | Ghost | >= 4.46.0 < 5.89.5 | — | No fix listed | CNA |
| — | ghost (npm) | 4.46.0 to before 5.89.5 | 5.89.5 | Patch available | GHSA-78x2-cwp9-5j42 |
| — | @tryghost/portal (npm) | 1.22.2 to before 2.39.0 | 2.39.0 | Patch available | GHSA-78x2-cwp9-5j42 |
- Ghost VendorTryGhost Affected >= 4.46.0 < 5.89.5 Fixed in — No fix listed CNA
- ghost (npm) Vendor— Affected 4.46.0 to before 5.89.5 Fixed in 5.89.5 Patch available GHSA-78x2-cwp9-5j42
- @tryghost/portal (npm) Vendor— Affected 1.22.2 to before 2.39.0 Fixed in 2.39.0 Patch available GHSA-78x2-cwp9-5j42
Remediation
- Fix · GHSA-78x2-cwp9-5j42 ghost (npm) Fixed in 5.89.5 Advisory →
- Fix · GHSA-78x2-cwp9-5j42 @tryghost/portal (npm) Fixed in 2.39.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-43409
- 2026-10-03 Alias added: GHSA-78x2-cwp9-5j42
References
More TryGhost Ghost vulnerabilities
- TI-2026-21459 Ghost has a SQL Injection in its Content API CVSS 3.1CRITICAL 9.4
- TI-2022-10277 An arbitrary file upload vulnerability in the file upload module of Ghost v4.39.0 allows… CVSS 3.1CRITICAL 9.8
- TI-2024-22785 Ghost through 5.85.1 allows remote attackers to bypass an authentication rate-limit… CVSS 3.1CRITICAL 9.1
- TI-2023-14843 Ghost vulnerable to disclosure of private API fields CVSS 3.1HIGH 7.5
- TI-2025-09049 Ghost 6.0.6 - SSRF via oEmbed Bookmark CVSS 4.0MEDIUM 6.1
- TI-2023-20918 Arbitrary file read via symlinks in Ghost CVSS 3.1MEDIUM 6.5
Sources
- CVE-2024-43409 · CVE Program
- CVE-2024-43409 · NVD
- FIRST EPSS
- GHSA-78x2-cwp9-5j42 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences