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CVE-2026-32756— Admidio: Unrestricted File Upload via CSRF Token Validation Bypass in Documents & Files Module

Quick assessment

Affected
Admidio admidio
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Admidio是Admidio团队的一套开源的成员管理系统。该系统支持成员列表、事件管理、留言簿、相册和下载等功能。 Admidio 5.0.6及之前版本存在代码问题漏洞，该漏洞源于Documents & Files模块存在不受限制的文件上传漏洞，可能导致远程代码执行。

CVSS 8.8 · High EPSS 0.95% · P60
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I. Basic Information for CVE-2026-32756

Vulnerability Information
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Vulnerability Title
Admidio: Unrestricted File Upload via CSRF Token Validation Bypass in Documents & Files Module
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Admidio 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Admidio是Admidio团队的一套开源的成员管理系统。该系统支持成员列表、事件管理、留言簿、相册和下载等功能。 Admidio 5.0.6及之前版本存在代码问题漏洞，该漏洞源于Documents & Files模块存在不受限制的文件上传漏洞，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Admidio admidio < 5.0.7 -

II. Public POCs for CVE-2026-32756

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III. Intelligence Information for CVE-2026-32756

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Vendor Advisories for CVE-2026-32756 (1)

Vendor Pages for CVE-2026-32756 (1)

Same Patch Batch · Admidio · 2026-03-19 · 5 CVEs total

CVE-2026-32818 6.5 MEDIUM Admidio is Missing Authorization on Forum Topic and Post Deletion
CVE-2026-32755 5.7 MEDIUM Admidio is Missing CSRF Protection on Role Membership Date Changes
CVE-2026-32816 5.7 MEDIUM Admidio has Missing CSRF Validation on Role Delete, Activate, and Deactivate Actions
CVE-2026-32757 5.4 MEDIUM Admidio: HTMLPurifier Bypass in eCard Message Allows HTML Email Injection

IV. Related Vulnerabilities

Same product: admidio
Same vendor: Admidio
Same weakness: CWE-434

V. Comments for CVE-2026-32756

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