CVE-2026-35164: CWE-434: Unrestricted Upload of File with Dangerous Type in Ajax30 BraveCMS-2.0
Brave CMS is an open-source CMS. Prior to 2.0.6, an unrestricted file upload vulnerability exists in the CKEditor upload functionality. It is found in app/Http/Controllers/Dashboard/CkEditorController.php within the ckupload method. The method fails to validate uploaded file types and relies entirely on user input. This allows an authenticated user to upload executable PHP scripts and gain Remote Code Execution. This vulnerability is fixed in 2.0.6.
AI Analysis
Technical Summary
CVE-2026-35164 is an unrestricted file upload vulnerability (CWE-434) in Brave CMS versions before 2.0.6. The vulnerability exists in the CKEditor upload feature, specifically in the ckupload method within app/Http/Controllers/Dashboard/CkEditorController.php. This method fails to properly validate the type of files being uploaded, allowing authenticated users to upload malicious executable PHP scripts. Successful exploitation can lead to remote code execution on the affected system. The vulnerability has a CVSS 3.1 score of 8.8, indicating high severity. The issue is fixed in Brave CMS version 2.0.6.
Potential Impact
An authenticated attacker can upload arbitrary executable PHP files due to lack of file type validation, enabling remote code execution. This can lead to full compromise of the affected system, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Upgrade Brave CMS to version 2.0.6 or later, where this vulnerability is fixed. Since the vulnerability is addressed in the official release, applying this update is the recommended remediation. No alternative mitigations or temporary fixes are documented.
CVE-2026-35164: CWE-434: Unrestricted Upload of File with Dangerous Type in Ajax30 BraveCMS-2.0
Description
Brave CMS is an open-source CMS. Prior to 2.0.6, an unrestricted file upload vulnerability exists in the CKEditor upload functionality. It is found in app/Http/Controllers/Dashboard/CkEditorController.php within the ckupload method. The method fails to validate uploaded file types and relies entirely on user input. This allows an authenticated user to upload executable PHP scripts and gain Remote Code Execution. This vulnerability is fixed in 2.0.6.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-35164 is an unrestricted file upload vulnerability (CWE-434) in Brave CMS versions before 2.0.6. The vulnerability exists in the CKEditor upload feature, specifically in the ckupload method within app/Http/Controllers/Dashboard/CkEditorController.php. This method fails to properly validate the type of files being uploaded, allowing authenticated users to upload malicious executable PHP scripts. Successful exploitation can lead to remote code execution on the affected system. The vulnerability has a CVSS 3.1 score of 8.8, indicating high severity. The issue is fixed in Brave CMS version 2.0.6.
Potential Impact
An authenticated attacker can upload arbitrary executable PHP files due to lack of file type validation, enabling remote code execution. This can lead to full compromise of the affected system, including confidentiality, integrity, and availability impacts as indicated by the CVSS vector (C:H/I:H/A:H). No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Upgrade Brave CMS to version 2.0.6 or later, where this vulnerability is fixed. Since the vulnerability is addressed in the official release, applying this update is the recommended remediation. No alternative mitigations or temporary fixes are documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-04-01T17:26:21.132Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d3f4be0a160ebd92ce2eee
Added to database: 4/6/2026, 6:00:30 PM
Last enriched: 4/6/2026, 6:15:47 PM
Last updated: 4/7/2026, 5:44:38 AM
Views: 5
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