CVE-2026-105677: Ghost: Remote Code Execution via Theme Translation Files
Ghost is a Node.js content management system. From 6.10.3 until 6.64.0, a vulnerability in how Ghost loads theme translation files allowed an authenticated Administrator to execute arbitrary code on the server via a crafted theme. This issue is fixed in version 6.64.0.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Ghostto a version that resolves this vulnerability.Fixed in 6.64.0
Event History
Frequently Asked Questions
Which Ghost installations are affected?
Ghost versions from 6.10.3 up to, but not including, 6.64.0 are affected. The issue is fixed in Ghost 6.64.0.
What access does an attacker need to exploit this issue?
An attacker must already be authenticated as a Ghost Administrator and be able to supply a crafted theme. Exploitation does not require user interaction and can result in arbitrary code execution on the server.
What should teams do if they cannot immediately upgrade?
Limit and review Ghost Administrator access, especially accounts able to upload or manage themes. Do not install untrusted themes, because the vulnerable behavior is triggered through crafted theme translation files.