Vulnerability · Published Mar 5, 2026 · Assigned by GitHub_M
CVE-2026-29053Ghost Vulnerable to Remote Code Execution via Malicious Themes
High 7.7
In plain English
A high-severity injection in Ghost from TryGhost. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.9% (higher than 92% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.7High
Exploit odds (30 days)4.9%top 7.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling2Metasploit, Public PoC
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | ghost | 6.19.1 | GHSA-cgc2-rcrh-qr5x |
Affected products (as reported)
Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
References
- https://github.com/TryGhost/Ghost/security/advisories/GHSA-cgc2-rcrh-qr5x x_refsource_CONFIRM