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CVE-2026-32818— Admidio is Missing Authorization on Forum Topic and Post Deletion

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 5.0.0版本至5.0.6版本存在安全漏洞，该漏洞源于论坛模块未验证用户删除权限，可能导致任何经过身份验证的用户删除任何论坛主题或帖子。

CVSS 6.5 · Medium EPSS 0.34% · P25
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I. Basic Information for CVE-2026-32818

Vulnerability Information
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Vulnerability Title
Admidio is Missing Authorization on Forum Topic and Post Deletion
Source: CVE Program / CVE List V5
Vulnerability Description
Admidio is an open-source user management solution. In versions 5.0.0 through 5.0.6, the forum module in Admidio does not verify whether the current user has permission to delete forum topics or posts. Both the topic_delete and post_delete actions in forum.php only validate the CSRF token but perform no authorization check before calling delete(). Any authenticated user with forum access can delete any topic (with all its posts) or any individual post by providing its UUID. This is inconsistent with the save/edit operations, which properly check isAdministratorForum() and ownership before allowing modifications. Any logged-in user can permanently and irreversibly delete any forum topic (including all its posts) or any individual post by simply knowing its UUID (which is publicly visible in URLs), completely bypassing authorization checks. 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:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Admidio 安全漏洞
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 5.0.0版本至5.0.6版本存在安全漏洞，该漏洞源于论坛模块未验证用户删除权限，可能导致任何经过身份验证的用户删除任何论坛主题或帖子。
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-2026-32818

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III. Intelligence Information for CVE-2026-32818

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Vendor Advisories for CVE-2026-32818 (1)

Vendor Pages for CVE-2026-32818 (1)

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

CVE-2026-32756 8.8 HIGH Admidio: Unrestricted File Upload via CSRF Token Validation Bypass in Documents & Files Mo
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-862

V. Comments for CVE-2026-32818

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