Arbitrary Code Execution Vulnerability in Ghost Node.js CMS
CVE-2026-29053

7.7HIGH

Key Information:

Vendor

Tryghost

Status
Ghost
Vendor
CVE Published:
5 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-29053?

Ghost, a popular Node.js content management system, is vulnerable to an attack where specially crafted malicious themes can lead to arbitrary code execution on the server. This vulnerability affects versions 0.7.2 to 6.19.0 and has been addressed in version 6.19.1. Administrators are encouraged to update their installations promptly to prevent exploitation.

Affected Version(s)

Ghost >= 0.7.2, < 6.19.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-29053
Created by K3ysTr0K3R

References

https://github.com/TryGhost/Ghost/security/advisories/GHS...
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CVSS V3.1

Score:
7.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.