CVE-2026-103289: Ghost Package Authorization Bypass in Comments Feature
Summary
CVE-2026-103289: Ghost: Authorization Bypass in Comments Feature. Affects ghost versions >= 5.9.0, < 6.44.1. Fixed in 6.44.1. How to fix ↓
Also tracked for
The same CVE-2026-103289 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Ghost is a popular open-source publishing platform designed for creating and managing online content. It offers a user-friendly interface, customizable themes, and a robust set of features for bloggers and publishers. However, certain versions of Ghost are vulnerable to an authorization bypass issue that allows unauthorized access to comments, potentially compromising user privacy and data integrity.
Vulnerability Detail
The vulnerability arises from an input validation issue within the Ghost platform, specifically affecting the comments feature. This flaw allows members to access comments that they should not have permission to view, leading to unauthorized disclosure of information. The vulnerability is present in Ghost versions from 5.9.0 up to 6.44.1, and it has been assigned a CVSS score of 6.5, indicating a moderate severity level. If exploited, this could result in significant privacy concerns for users and damage to the platform's reputation.
How To Fix
Latest published version: 6.72.0 as of 22 Oct 2026
npm install ghost@6.72.0Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
6.44.1
This is the first release that contains the fix.
npm install ghost@6.44.1Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to update to the patched version as soon as possible.
Conclusion
The Ghost package has a significant vulnerability that allows unauthorized access to comments, affecting user privacy. It is essential for users to update to version 6.44.1 or later to protect against this issue. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the security of your applications.
See every vulnerability recorded for ghost →
FAQ
The vulnerability is an authorization bypass that allows unauthorized access to comments within the Ghost platform.
Ghost versions from 5.9.0 up to 6.44.1 are affected by this vulnerability.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities. Check if your application is affected by visiting Vulert Scanner.
While there are no specific workarounds, it is crucial to plan for an update to the patched version as soon as possible to mitigate risks.
The vulnerability was disclosed responsibly by Himanshu Anand, who can be found on GitHub and Twitter.
References
Related vulnerabilities
Recent vulnerabilities recorded for ghost.
