Arbitrary Code Execution in Ghost CMS Versions 6.10.3 to 6.64.0
CVE-2026-105677

7.2HIGH

Key Information:

Vendor

Tryghost

Status
Ghost
Vendor
CVE Published:
5 October 2026

What is CVE-2026-105677?

A vulnerability in Ghost, a popular Node.js content management system, allows authenticated Administrators to execute arbitrary code on the server by loading crafted theme translation files. This issue is present in versions 6.10.3 to 6.64.0 and has been addressed in version 6.64.0.

Affected Version(s)

Ghost >= 6.10.3, < 6.64.0

References

https://github.com/TryGhost/Ghost/security/advisories/GHS...
x_refsource_CONFIRM
https://github.com/TryGhost/Ghost/issues/30635
x_refsource_MISC
https://github.com/TryGhost/Ghost/commit/d2f498694be54907...
x_refsource_MISC

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.