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TI-2026-23198 Aliases CVE-2026-29053GHSA-cgc2-rcrh-qr5x

Ghost Vulnerable to Remote Code Execution via Malicious Themes

Priority MEDIUM 51CWE-74Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Ghost is a Node.js content management system. From version 0.7.2 to 6.19.0, specifically crafted malicious themes can execute arbitrary code on the server running Ghost. This issue has been patched in version 6.19.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.04903 92nd percentileScored 2026-11-07
Fix Fixed Ghost (TryGhost): 6.19.1ghost (npm): 6.19.1

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

VendorProductAffected versionsFixed inStatusSource
TryGhostGhost0.7.2 to before 6.19.16.19.1Patch availableCNA
—ghost (npm)0.7.2 to before 6.19.16.19.1Patch availableGHSA-cgc2-rcrh-qr5x
  • Ghost VendorTryGhost Affected 0.7.2 to before 6.19.1 Fixed in 6.19.1 Patch available CNA
  • ghost (npm) Vendor— Affected 0.7.2 to before 6.19.1 Fixed in 6.19.1 Patch available GHSA-cgc2-rcrh-qr5x

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*0.7.2 to before 6.19.1VulnerableTryGhost
  • cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:* Versions 0.7.2 to before 6.19.1 Vulnerable ·TryGhost

Remediation

  • Fix · CNA Ghost (TryGhost) Fixed in 6.19.1
  • Fix · GHSA-cgc2-rcrh-qr5x ghost (npm) Fixed in 6.19.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-29053
  2. 2026-10-03 Alias added: GHSA-cgc2-rcrh-qr5x

References

Advisory 2

Other 1

  • 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