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CVE-2026-41663— Admidio: CSRF on Admin Preferences Triggers Unauthorized Backup, .htaccess Write, and Email Send

CVSS 3.5 · Low EPSS 0.01% · P3
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I. Basic Information for CVE-2026-41663

Vulnerability Information
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Vulnerability Title
Admidio: CSRF on Admin Preferences Triggers Unauthorized Backup, .htaccess Write, and Email Send
Source: NVD (National Vulnerability Database)
Vulnerability Description
Admidio is an open-source user management solution. Prior to version 5.0.9, several administrative operations in Admidio's preferences module (database backup, test email, htaccess generation) fire via GET requests with no CSRF token validation. Because SameSite=Lax cookies travel with top-level GET navigations, an attacker forces an authenticated admin to trigger these actions from a malicious page. 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:R/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Admidioadmidio < 5.0.9 -

II. Public POCs for CVE-2026-41663

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III. Intelligence Information for CVE-2026-41663

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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-2026-421946.8 MEDIUMIncomplete fix for CVE-2026-32812: SSRF in admidio
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-2026-416592.7 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-352

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