CVE-2026-103288: Authorization Bypass Through User-Controlled Key in TryGhost Ghost
Ghost, an open-source publishing platform, contains an input validation flaw in its comment like feature in versions from 5.9.0 before 6.44.1. An authenticated member can delete comment likes or dislikes belonging to other users that they are not authorized to delete, resulting in an authorization bypass and unauthorized modification of comment engagement data.
AI Analysis
Technical Summary
CVE-2026-103288 is an authorization bypass vulnerability in the Ghost platform's comment like feature due to insufficient input validation. This flaw allows an authenticated user with member privileges to delete likes or dislikes on comments that belong to other users, bypassing intended access controls. The issue affects Ghost versions >=5.9.0 and <6.44.1. The vulnerability has a CVSS 4.0 base score of 7.1, indicating high severity.
Potential Impact
Exploitation of this vulnerability enables an authenticated member to manipulate comment engagement data by deleting likes or dislikes of other users without authorization. This unauthorized modification can affect the integrity of user interaction data on the platform. There is no indication of remote code execution or data disclosure beyond comment engagement manipulation.
Mitigation Recommendations
No explicit patch or remediation details are provided in the input data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict member privileges where possible and monitor for suspicious activity related to comment engagement modifications.
CVE-2026-103288: Authorization Bypass Through User-Controlled Key in TryGhost Ghost
Description
Ghost, an open-source publishing platform, contains an input validation flaw in its comment like feature in versions from 5.9.0 before 6.44.1. An authenticated member can delete comment likes or dislikes belonging to other users that they are not authorized to delete, resulting in an authorization bypass and unauthorized modification of comment engagement data.
CVSS v4.0
Score 7.1high
Affected software
TryGhost
Ghost
pkg:github/tryghost/GhostRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-103288 is an authorization bypass vulnerability in the Ghost platform's comment like feature due to insufficient input validation. This flaw allows an authenticated user with member privileges to delete likes or dislikes on comments that belong to other users, bypassing intended access controls. The issue affects Ghost versions >=5.9.0 and <6.44.1. The vulnerability has a CVSS 4.0 base score of 7.1, indicating high severity.
Potential Impact
Exploitation of this vulnerability enables an authenticated member to manipulate comment engagement data by deleting likes or dislikes of other users without authorization. This unauthorized modification can affect the integrity of user interaction data on the platform. There is no indication of remote code execution or data disclosure beyond comment engagement manipulation.
Mitigation Recommendations
No explicit patch or remediation details are provided in the input data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict member privileges where possible and monitor for suspicious activity related to comment engagement modifications.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-30T10:59:26.443Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abe7486a43b0b3b89bd1c4f
Added to database: 10/01/2026, 14:56:06 UTC
Last enriched: 10/01/2026, 15:16:15 UTC
Last updated: 10/01/2026, 22:26:06 UTC
Views: 4
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