CVE-2026-43934: CWE-284: Improper Access Control in e107inc e107
e107 is a content management system (CMS). Prior to 2.3.4, a Broken Access Control vulnerability exists in the application, allowing an unauthorized authenticated user to edit comments posted by others. This stems from inadequate server-side access control validation, where the application depends only on a predictable identifier in the request to determine which comment to edit, without confirming the requesting user’s ownership of the comment. This vulnerability is fixed in 2.3.4.
AI Analysis
Technical Summary
CVE-2026-43934 describes an improper access control vulnerability in the e107 content management system before version 2.3.4. The application relies solely on a predictable identifier in requests to determine which comment to edit, without verifying that the requesting user owns the comment. This flaw enables an authenticated user to edit comments posted by other users. The vulnerability is addressed by the vendor in e107 version 2.3.4.
Potential Impact
The vulnerability allows an authenticated user to modify comments authored by other users, impacting the integrity of comment data. There is no impact on confidentiality or availability. This could lead to misinformation or unauthorized content changes within the CMS comment sections.
Mitigation Recommendations
Upgrade e107 to version 2.3.4 or later, where this access control vulnerability is fixed. Since the vendor has released a fixed version, applying this official update is the recommended remediation. Patch status is confirmed by the vendor's versioning information.
CVE-2026-43934: CWE-284: Improper Access Control in e107inc e107
Description
e107 is a content management system (CMS). Prior to 2.3.4, a Broken Access Control vulnerability exists in the application, allowing an unauthorized authenticated user to edit comments posted by others. This stems from inadequate server-side access control validation, where the application depends only on a predictable identifier in the request to determine which comment to edit, without confirming the requesting user’s ownership of the comment. This vulnerability is fixed in 2.3.4.
CVSS v3.1
Score 6.5medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43934 describes an improper access control vulnerability in the e107 content management system before version 2.3.4. The application relies solely on a predictable identifier in requests to determine which comment to edit, without verifying that the requesting user owns the comment. This flaw enables an authenticated user to edit comments posted by other users. The vulnerability is addressed by the vendor in e107 version 2.3.4.
Potential Impact
The vulnerability allows an authenticated user to modify comments authored by other users, impacting the integrity of comment data. There is no impact on confidentiality or availability. This could lead to misinformation or unauthorized content changes within the CMS comment sections.
Mitigation Recommendations
Upgrade e107 to version 2.3.4 or later, where this access control vulnerability is fixed. Since the vendor has released a fixed version, applying this official update is the recommended remediation. Patch status is confirmed by the vendor's versioning information.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-04T16:59:09.089Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a15c089891d628fdc570d16
Added to database: 5/26/2026, 3:47:21 PM
Last enriched: 5/26/2026, 4:03:24 PM
Last updated: 5/26/2026, 10:53:32 PM
Views: 6
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