Input Validation Flaw in Ghost Node.js CMS Affects Access Control
CVE-2026-105681

6.5MEDIUM

Key Information:

Vendor

Tryghost

Status
Ghost
Vendor
CVE Published:
5 October 2026

What is CVE-2026-105681?

In Ghost, a popular Node.js content management system, an input validation vulnerability existed that permitted unauthorized members to access comments not meant for them. This flaw affected versions from 5.9.0 to 6.44.1. It has been addressed in version 6.44.1, which resolves this issue by improving access control measures. Users are strongly advised to upgrade to the latest version to ensure the security of their content management system.

Affected Version(s)

Ghost >= 5.9.0, < 6.44.1

References

https://github.com/TryGhost/Ghost/security/advisories/GHS...
x_refsource_CONFIRM
https://github.com/TryGhost/Ghost/pull/28297
x_refsource_MISC
https://github.com/TryGhost/Ghost/commit/405c2623ff906029...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.