CVE-2026-105681: Ghost: Authorization Bypass in Comments Feature
Impact
An input validation issue allowed members to access comments they were not authorized to access.
Vulnerable versions
This vulnerability is present in Ghost from v5.9.0 up to v6.44.1.
Patches
v6.44.1 contains a fix for this issue.
How to update
For self-hosters using Docker, find Docker's official Ghost image here. Updating a Docker-based Ghost instance is documented here.
If your Ghost is a Ghost-CLI install see our documentation on updating it to the latest version here.
References
Ghost thanks Himanshu Anand (@anandhimanshu) for disclosing this vulnerability responsibly.
For more information
If you have any questions or comments about this advisory, email us at security@ghost.org.
Other sources
Ghost is a Node.js content management system. From 5.9.0 until 6.44.1, an input validation issue allowed members to access comments they were not authorized to access. This issue is fixed in version 6.44.1.
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
npm/ghostto a version that resolves this vulnerability.Fixed in 6.44.1 - Upgrade
Upgrade
Ghostto a version that resolves this vulnerability.Fixed in 6.44.1
Event History
Frequently Asked Questions
Which deployments are affected?
Ghost versions from 5.9.0 up to, but not including, 6.44.1 are affected. The issue is fixed in Ghost 6.44.1.
What access does an attacker need to exploit this issue?
An attacker needs member-level privileges. The vulnerability allows members to access comments they are not authorized to access.
What is the impact of successful exploitation?
Successful exploitation can expose unauthorized comments to a member. The supplied severity vector indicates high confidentiality impact, with no integrity or availability impact.