CVE-2026-35047: CWE-434: Unrestricted Upload of File with Dangerous Type in Ajax30 BraveCMS-2.0
BraveCMS versions prior to 2. 0. 6 contain an unrestricted file upload vulnerability in the CKEditor endpoint. This flaw allows attackers to upload arbitrary files, including executable scripts, which can lead to remote code execution on the server. Successful exploitation may result in full system compromise, data exfiltration, or service disruption. The vulnerability is identified as CWE-434 and has a critical CVSS 4. 0 base score of 9. 3. A fix is available in BraveCMS version 2. 0.
AI Analysis
Technical Summary
CVE-2026-35047 is an unrestricted file upload vulnerability affecting BraveCMS versions before 2.0.6. The issue exists in the CKEditor endpoint, which does not properly restrict the types of files that can be uploaded. This allows an attacker to upload malicious executable scripts, potentially enabling remote code execution on the affected server. The vulnerability is classified under CWE-434 (Unrestricted Upload of File with Dangerous Type) and has a critical severity rating with a CVSS 4.0 score of 9.3. The vulnerability was publicly disclosed on April 6, 2026, and is fixed in BraveCMS 2.0.6.
Potential Impact
Exploitation of this vulnerability can lead to remote code execution on the server hosting BraveCMS, which may result in full system compromise, unauthorized data access or exfiltration, and disruption of service. The vulnerability affects all users running BraveCMS versions prior to 2.0.6.
Mitigation Recommendations
Users should upgrade BraveCMS to version 2.0.6 or later, where this vulnerability is fixed. Since this is not a cloud service, remediation depends on applying the official patch provided by the vendor. Patch status is confirmed by the vendor advisory indicating the fix in version 2.0.6.
CVE-2026-35047: CWE-434: Unrestricted Upload of File with Dangerous Type in Ajax30 BraveCMS-2.0
Description
BraveCMS versions prior to 2. 0. 6 contain an unrestricted file upload vulnerability in the CKEditor endpoint. This flaw allows attackers to upload arbitrary files, including executable scripts, which can lead to remote code execution on the server. Successful exploitation may result in full system compromise, data exfiltration, or service disruption. The vulnerability is identified as CWE-434 and has a critical CVSS 4. 0 base score of 9. 3. A fix is available in BraveCMS version 2. 0.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-35047 is an unrestricted file upload vulnerability affecting BraveCMS versions before 2.0.6. The issue exists in the CKEditor endpoint, which does not properly restrict the types of files that can be uploaded. This allows an attacker to upload malicious executable scripts, potentially enabling remote code execution on the affected server. The vulnerability is classified under CWE-434 (Unrestricted Upload of File with Dangerous Type) and has a critical severity rating with a CVSS 4.0 score of 9.3. The vulnerability was publicly disclosed on April 6, 2026, and is fixed in BraveCMS 2.0.6.
Potential Impact
Exploitation of this vulnerability can lead to remote code execution on the server hosting BraveCMS, which may result in full system compromise, unauthorized data access or exfiltration, and disruption of service. The vulnerability affects all users running BraveCMS versions prior to 2.0.6.
Mitigation Recommendations
Users should upgrade BraveCMS to version 2.0.6 or later, where this vulnerability is fixed. Since this is not a cloud service, remediation depends on applying the official patch provided by the vendor. Patch status is confirmed by the vendor advisory indicating the fix in version 2.0.6.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-03-31T21:06:06.428Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d3edbe0a160ebd92cb34c7
Added to database: 4/6/2026, 5:30:38 PM
Last enriched: 4/6/2026, 5:45:37 PM
Last updated: 4/6/2026, 7:51:01 PM
Views: 6
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