TI-2026-18156 Aliases CVE-2026-22595 GHSA-9xg7-mwmp-xmjx

Ghost has Staff Token permission bypass

LOW 38CWE-863Published 2026-01-10 · Updated 2026-01-12

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863.

Summary

Ghost is a Node.js content management system. In versions 5.121.0 through 5.130.5 and 6.0.0 through 6.10.3, a vulnerability in Ghost's handling of Staff Token authentication allowed certain endpoints to be accessed that were only intended to be accessible via Staff Session authentication. External systems that have been authenticated via Staff Tokens for Admin/Owner-role users would have had access to these endpoints. This issue has been patched in versions 5.130.6 and 6.11.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00537 45th percentileScored 2026-11-07

Fix Fixed Ghost (TryGhost): 6.11.0, 5.130.6ghost (npm): 6.11.0, 5.130.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

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	6.0.0 to before 6.11.0; 5.121.0 to before 5.130.6	6.11.0, 5.130.6	Patch available	CNA
—	ghost (npm)	6.0.0 to before 6.11.0	6.11.0	Patch available	GHSA-9xg7-mwmp-xmjx
—	ghost (npm)	5.105.0 to before 5.130.6	5.130.6	Patch available	GHSA-9xg7-mwmp-xmjx

Ghost VendorTryGhost Affected 6.0.0 to before 6.11.0; 5.121.0 to before 5.130.6 Fixed in 6.11.0, 5.130.6 Patch available CNA
ghost (npm) Vendor— Affected 6.0.0 to before 6.11.0 Fixed in 6.11.0 Patch available GHSA-9xg7-mwmp-xmjx
ghost (npm) Vendor— Affected 5.105.0 to before 5.130.6 Fixed in 5.130.6 Patch available GHSA-9xg7-mwmp-xmjx

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ghost:ghost::::::node.js::*	5.121.0 to before 5.130.6; 6.0.0 to before 6.11.0	Vulnerable	TryGhost

cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:* Versions 5.121.0 to before 5.130.6; 6.0.0 to before 6.11.0 Vulnerable ·TryGhost

Remediation

Fix · CNA Ghost (TryGhost) Fixed in 6.11.0, 5.130.6
Fix · GHSA-9xg7-mwmp-xmjx ghost (npm) Fixed in 6.11.0 Advisory →
Fix · GHSA-9xg7-mwmp-xmjx ghost (npm) Fixed in 5.130.6 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-22595
2026-10-03 Alias added: GHSA-9xg7-mwmp-xmjx

References

Patch 3

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2026-22595

Other 1

https://github.com/TryGhost/Ghost

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

See all 29 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences