EUVD-2026-52283

Admidio before 5.0.11 fails to validate target organization membership in role handlers, allowing authenticated role administrators to delete, activate, deactivate, or edit roles belonging to other organizations. Attackers can supply a role UUID from another organization to groupsroles.php handle...

CVE-2026-69090 Admidio before 5.0.11 Cross-Organization Role Modification

Admidio before 5.0.11 fails to validate target organization membership in role handlers, allowing authenticated role administrators to delete, activate, deactivate, or edit roles belonging to other organizations. Attackers can supply a role UUID from another organization to groupsroles.php handle...

CVE-2026-69090

Admidio before 5.0.11 fails to validate target organization membership in role handlers, allowing authenticated role administrators to delete, activate, deactivate, or edit roles belonging to other organizations. Attackers can supply a role UUID from another organization to groupsroles.php handle...

CVE-2026-69091

Admidio before 5.0.11 has an authentication bypass in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only state, allowing unauthenticated attackers to read forum topics and posts by directly accessing the module with ...

CVE-2026-69091 Admidio before 5.0.11 Authentication Bypass via forum.php

Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only configuration state, allowing unauthenticated attackers to read forum topics and posts by...

CVE-2026-69091

Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only configuration state, allowing unauthenticated attackers to read forum topics and posts by...

EUVD-2026-52284

Admidio before 5.0.11 contains an authentication bypass vulnerability in the forum module when configured in login-only mode. The access control logic in modules/forum.php fails to validate the login-only configuration state, allowing unauthenticated attackers to read forum topics and posts by...

CVE-2026-69090 Admidio before 5.0.11 Cross-Organization Role Modification

Admidio before 5.0.11 fails to validate target organization membership in role handlers, allowing authenticated role administrators to delete, activate, deactivate, or edit roles belonging to other organizations. Attackers can supply a role UUID from another organization to groupsroles.php handle...

CVE-2026-69090 Admidio before 5.0.11 Cross-Organization Role Modification

Admidio before 5.0.11 fails to validate target organization membership in role handlers, allowing authenticated role administrators to delete, activate, deactivate, or edit roles belonging to other organizations. Attackers can supply a role UUID from another organization to groupsroles.php handle...

CVE-2026-53760

creationtimestamp| type| source ---|---|--- 2026-07-09 14:35:03+00:00| published-proof-of-concept| https://github.com/Admidio/admidio/security/advisories/GHSA-hm42-q32m-vj4f...

Cross-site Request Forgery (CSRF)

Overview admidio/admidio is a free open source user management system for websites of organizations and groups. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the modules/plugins.php process. An attacker can trigger unauthorized plugin installation,...

GHSA-HM42-Q32M-VJ4F Admidio: CSRF on Plugin Install, Uninstall, and Update via Unprotected GET Requests

Summary The modules/plugins.php endpoint handles plugin installation, uninstallation, and update operations via GET requests without CSRF token validation. Because these are top-level navigations, browsers include SameSite=Lax session cookies. An attacker crafts a malicious page that, when an...

CVE-2026-41659

Admidio is an open-source user management solution. Prior to version 5.0.9, the member assignment DataTables endpoint membersassignmentdata.php includes hidden profile fields BIRTHDAY, STREET, CITY, POSTCODE, COUNTRY in its SQL search condition regardless of field visibility settings. While the...

CVE-2026-41663

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 GE...

CVE-2026-41662

Admidio is an open-source user management solution. Prior to version 5.0.9, Role::stopMembership does not verify whether removing a user from the administrator role leaves zero administrators. The deprecated Membership::stopMembership contains this safety check, but the current code path bypasses...

CVE-2026-41661

Admidio is an open-source user management solution. Prior to version 5.0.9, an unauthenticated attacker can execute arbitrary JavaScript in any Admidio user's browser through a reflected XSS in system/msgwindow.php. The endpoint passes user input through htmlspecialchars, which does not encode...

CVE-2026-41656

Admidio is an open-source user management solution. Prior to version 5.0.9, the add mode in modules/documents-files.php accepts a name parameter validated only as 'string' type HTML encoding, allowing path traversal characters ../ to pass through unfiltered. Combined with the absence of CSRF...

CVE-2026-42194

Admidio is an open-source user management solution. Prior to version 5.0.9, the incomplete SSRF fix in Admidio's fetchmetadata.php validates the resolved IP address but passes the original hostname-based URL to curlinit, leaving a DNS rebinding TOCTOU window that allows redirecting requests to...

CVE-2026-41660

Admidio is an open-source user management solution. Prior to version 5.0.9, a logic error in Admidio's two-factor authentication reset inverts the authorization check. Non-admin users cannot remove their own TOTP configuration, but they can remove other users' TOTP, including administrators. A...

CVE-2026-41670

Admidio is an open-source user management solution. Prior to version 5.0.9, the SAML IdP implementation in Admidio's SSO module uses the AssertionConsumerServiceURL value directly from incoming SAML AuthnRequest messages as the destination for the SAML response, without validating it against the...