CVE-2026-105681: CWE-943: Improper Neutralization of Special Elements in Data Query Logic in TryGhost Ghost
Description
A vulnerability in Ghost, a Node.js content management system, allowed unauthorized access to comments due to improper input validation. This issue affected versions from 5.9.0 up to but not including 6.44.1 and was fixed in version 6.44.1. The vulnerability is classified under CWE-943, indicating improper neutralization of special elements in data query logic. The CVSS 3.1 score is 6.5, reflecting a medium severity with high confidentiality impact but no integrity or availability impact.
CVSS v3.1
Score 6.5medium
Affected software
TryGhost
Ghost
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-105681 is an input validation vulnerability in Ghost CMS versions >=5.9.0 and <6.44.1. It allows members to access comments they are not authorized to view due to improper neutralization of special elements in data query logic (CWE-943). This flaw compromises confidentiality by exposing unauthorized data. The vulnerability was addressed and fixed in version 6.44.1.
Potential Impact
The vulnerability allows unauthorized users with member-level privileges to access comments they should not be able to see, leading to a confidentiality breach. There is no impact on data integrity or availability. The CVSS score of 6.5 indicates a medium severity risk primarily due to the confidentiality impact.
Mitigation Recommendations
Upgrade Ghost to version 6.44.1 or later, where this vulnerability has been fixed. No other mitigation is indicated or required by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-10-05T17:48:58.626Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac3ff2f2cdf04f65632d8c7
Added to database: 10/05/2026, 19:49:03 UTC
Last enriched: 10/05/2026, 20:03:25 UTC
Last updated: 10/05/2026, 20:08:09 UTC
Views: 4
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