Admidio is an open-source user management solution. Versions 5.0.6 and below contain a critical unrestricted file upload vulnerability in the Documents & Files module. Due to a design flaw in how CSRF token validation and file extension verification interact within UploadHandlerFile.php, an authenticated user with upload permissions can bypass file extension restrictions by intentionally submitting an invalid CSRF token. This allows the upload of arbitrary file types, including PHP scripts, which may lead to Remote Code Execution on the server, resulting in full server compromise, data exfiltration, and lateral movement. This issue has been fixed in version 5.0.7.
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Affected Vendors & Products
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History
Thu, 19 Mar 2026 23:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Admidio is an open-source user management solution. Versions 5.0.6 and below contain a critical unrestricted file upload vulnerability in the Documents & Files module. Due to a design flaw in how CSRF token validation and file extension verification interact within UploadHandlerFile.php, an authenticated user with upload permissions can bypass file extension restrictions by intentionally submitting an invalid CSRF token. This allows the upload of arbitrary file types, including PHP scripts, which may lead to Remote Code Execution on the server, resulting in full server compromise, data exfiltration, and lateral movement. This issue has been fixed in version 5.0.7. | |
| Title | Admidio: Unrestricted File Upload via CSRF Token Validation Bypass in Documents & Files Module | |
| Weaknesses | CWE-434 | |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-03-19T23:08:03.470Z
Reserved: 2026-03-13T18:53:03.532Z
Link: CVE-2026-32756
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Status : Received
Published: 2026-03-20T00:16:16.763
Modified: 2026-03-20T00:16:16.763
Link: CVE-2026-32756
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OpenCVE Enrichment
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