CVE-2026-53691: CWE-434 Unrestricted Upload of File with Dangerous Type in Redeight Redeight CMS
An Unrestricted File Upload vulnerability in Redeight CMS version 1.0 allows authenticated attackers to achieve Remote Code Execution via the POST "/admin/index.php?module=pages&mode=FileAdd" endpoint. The application fails to validate file extensions and MIME types, permitting the upload of arbitrary PHP scripts to the publicly accessible "/uploads/files/" directory where they can be executed directly by the web server.
AI Analysis
Technical Summary
CVE-2026-53691 is an unrestricted file upload vulnerability in Redeight CMS 1.0. Authenticated attackers can exploit the POST "/admin/index.php?module=pages&mode=FileAdd" endpoint to upload arbitrary PHP files without proper validation of file extensions or MIME types. These files are stored in the publicly accessible "/uploads/files/" directory, allowing direct execution by the web server and resulting in remote code execution.
Potential Impact
Successful exploitation allows an authenticated attacker to execute arbitrary code on the server hosting Redeight CMS 1.0. This can lead to full system compromise, data theft, or further attacks within the affected environment.
Mitigation Recommendations
No official patch or remediation is currently available for this vulnerability. Users should restrict access to the affected endpoint and consider disabling file uploads until a fix is released. Monitor vendor advisories for updates regarding an official fix or mitigation guidance.
CVE-2026-53691: CWE-434 Unrestricted Upload of File with Dangerous Type in Redeight Redeight CMS
Description
An Unrestricted File Upload vulnerability in Redeight CMS version 1.0 allows authenticated attackers to achieve Remote Code Execution via the POST "/admin/index.php?module=pages&mode=FileAdd" endpoint. The application fails to validate file extensions and MIME types, permitting the upload of arbitrary PHP scripts to the publicly accessible "/uploads/files/" directory where they can be executed directly by the web server.
CVSS v4.0
Score 8.6high
Affected software
pkg:github/redeight/redeight-cmsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-53691 is an unrestricted file upload vulnerability in Redeight CMS 1.0. Authenticated attackers can exploit the POST "/admin/index.php?module=pages&mode=FileAdd" endpoint to upload arbitrary PHP files without proper validation of file extensions or MIME types. These files are stored in the publicly accessible "/uploads/files/" directory, allowing direct execution by the web server and resulting in remote code execution.
Potential Impact
Successful exploitation allows an authenticated attacker to execute arbitrary code on the server hosting Redeight CMS 1.0. This can lead to full system compromise, data theft, or further attacks within the affected environment.
Mitigation Recommendations
No official patch or remediation is currently available for this vulnerability. Users should restrict access to the affected endpoint and consider disabling file uploads until a fix is released. Monitor vendor advisories for updates regarding an official fix or mitigation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERT-PL
- Date Reserved
- 2026-06-10T14:02:39.879Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a43addd27e9c79719af4972
Added to database: 06/30/2026, 11:51:57 UTC
Last enriched: 06/30/2026, 12:06:20 UTC
Last updated: 06/30/2026, 13:16:19 UTC
Views: 6
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