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CVE-2026-82655— Admidio before 5.0.12 SQL Injection via relation_type_list

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组织的一款成员管理系统。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 5.0.12之前版本存在SQL注入漏洞，该漏洞源于lists_show.php文件中的relation_type_list参数存在盲SQL注入漏洞，可能导致未经身份验证的攻击者执行任意SQL查询，绕过身份验证并提取数据库内容，包括密码哈希和用户凭据。

CVSS 7.5 · High EPSS 0.56% · P45

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
Admidio admidio < 5.0.12 affected
5.0.12 unaffected
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I. Basic Information for CVE-2026-82655

Vulnerability Information
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Vulnerability Title
Admidio before 5.0.12 SQL Injection via relation_type_list
Source: CVE Program / CVE List V5
Vulnerability Description
Admidio before 5.0.12 contains a blind SQL injection vulnerability in the relation_type_list parameter of lists_show.php that allows unauthenticated attackers to execute arbitrary SQL queries. Attackers can bypass authentication by providing a dummy UUID in role_list and inject SQL through relation_type_list to extract database contents including password hashes and user credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Admidio SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Admidio是Admidio组织的一款成员管理系统。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 5.0.12之前版本存在SQL注入漏洞，该漏洞源于lists_show.php文件中的relation_type_list参数存在盲SQL注入漏洞，可能导致未经身份验证的攻击者执行任意SQL查询，绕过身份验证并提取数据库内容，包括密码哈希和用户凭据。
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 0 ~ 5.0.12 -

II. Public POCs for CVE-2026-82655

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III. Intelligence Information for CVE-2026-82655

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Vendor Advisories for CVE-2026-82655 (2)

Same Patch Batch · Admidio · 2026-08-30 · 4 CVEs total

CVE-2026-82657 7.5 HIGH Admidio before 5.0.12 Authentication Bypass via RSS feeds
CVE-2026-82658 4.3 MEDIUM Admidio before 5.0.12 Broken Access Control via profile_function.php
CVE-2026-82656 2.6 LOW Admidio before 5.0.12 Path Traversal via Photo ZIP Download

IV. Related Vulnerabilities

Same product: admidio
Same vendor: Admidio
Same weakness: CWE-89

V. Comments for CVE-2026-82655

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