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CVE-2026-42194— Incomplete fix for CVE-2026-32812: SSRF in admidio

CVSS 6.8 · Medium EPSS 0.03% · P7
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I. Basic Information for CVE-2026-42194

Vulnerability Information
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Vulnerability Title
Incomplete fix for CVE-2026-32812: SSRF in admidio
Source: NVD (National Vulnerability Database)
Vulnerability Description
Admidio is an open-source user management solution. Prior to version 5.0.9, the incomplete SSRF fix in Admidio's fetch_metadata.php validates the resolved IP address but passes the original hostname-based URL to curl_init(), leaving a DNS rebinding TOCTOU window that allows redirecting requests to internal IPs. This issue has been patched in version 5.0.9.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
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 5.0.9之前版本存在代码问题漏洞，该漏洞源于fetch_metadata.php中SSRF修复不完整，验证解析的IP地址但传递原始主机名URL给curl_init，留下DNS重绑定TOCTOU窗口，可能导致重定向请求到内部IP。
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

VendorProductAffected VersionsCPESubscribe
Admidioadmidio < 5.0.9 -

II. Public POCs for CVE-2026-42194

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III. Intelligence Information for CVE-2026-42194

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Same Patch Batch · Admidio · 2026-05-07 · 13 CVEs total

CVE-2026-416698.2 HIGHAdmidio: SAML Signature Validation Result Ignored — Forged AuthnRequests and LogoutRequest
CVE-2026-416708.2 HIGHAdmidio: SAML Response Sent to Unvalidated Assertion Consumer Service URL from AuthnReques
CVE-2026-416607.1 HIGHAdmidio: Inverted 2FA Reset Authorization Check Lets Group Leaders Strip Admin TOTP
CVE-2026-416716.8 MEDIUMAdmidio: OIDC Token Introspection Endpoint Returns Active for All Tokens Without Validatio
CVE-2026-416586.5 MEDIUMAdmidio: Missing Authorization on Inventory Module Destructive Endpoints Allows Any Authen
CVE-2026-416556.5 MEDIUMAdmidio: Path Traversal in ECard Preview Allows Reading Arbitrary Server Files Including D
CVE-2026-416616.1 MEDIUMAdmidio: Reflected XSS in msg_window.php via Square Bracket to HTML Tag Conversion
CVE-2026-416625.2 MEDIUMAdmidio: Missing Minimum Administrator Check in Role Membership Removal
CVE-2026-416574.9 MEDIUMAdmidio: Cross-Organization Member Data Exposure via Permission Check Mismatch in contacts
CVE-2026-416564.5 MEDIUMAdmidio: Path Traversal via Unvalidated `name` Parameter in Document Add Mode Enables Arbi
CVE-2026-416633.5 LOWAdmidio: CSRF on Admin Preferences Triggers Unauthorized Backup, .htaccess Write, and Emai
CVE-2026-416592.7 LOWAdmidio: Hidden Profile Field Values Leaked via Blind Search Oracle in Member Assignment

IV. Related Vulnerabilities

Same product: admidio
Same vendor: Admidio
Same weakness: CWE-918

V. Comments for CVE-2026-42194

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