CVE-2026-41669

Admidio is an open-source user management solution. Prior to version 5.0.9, the Admidio SAML Identity Provider implementation discards the return value of its validateSignature method at both call sites handleSSORequest line 418 and handleSLORequest line 613. The method returns error strings on...

Sequence of Processor Instructions Leads to Unexpected Behavior

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 Sequence of Processor Instructions Leads to Unexpected Behavior through the fielddelete process. An attacker can permanently remove...

Admidio writes session IDs and auto-login cookie values to application logs

Summary When debug logging is enabled, Session::setCookie logs full cookie values and Session::start logs the current session ID. In a real Admidio deployment this includes both the active session cookie and the persistent auto-login cookie. Anyone with access to the log sink can recover live...

GHSA-MCH8-WF3H-6X88 Admidio writes session IDs and auto-login cookie values to application logs

Summary When debug logging is enabled, Session::setCookie logs full cookie values and Session::start logs the current session ID. In a real Admidio deployment this includes both the active session cookie and the persistent auto-login cookie. Anyone with access to the log sink can recover live...

Admidio PKCS#12 private key export action lacks CSRF protection

Summary The sensitive mode=export action in modules/sso/keys.php exports a PKCS12 bundle containing the configured private key and certificate, but the CSRF validation line is commented out. A forged cross-site POST from an administrator session can therefore trigger private key export without a...

Admidio has IDOR in `documents-files.php` `mode=move_save` that lets any folder-uploader exfiltrate files from private folders

Summary modules/documents-files.php gates state-changing modes by checking that the actor has hasUploadRight on the URL parameter folderuuid. The movesave handler then operates on a separate URL parameter fileuuid and calls File::moveToFolder$destFolderUUID. File::moveToFolder checks the upload...

GHSA-X628-457G-2PW9 Admidio has IDOR in `documents-files.php` `mode=move_save` that lets any folder-uploader exfiltrate files from private folders

Summary modules/documents-files.php gates state-changing modes by checking that the actor has hasUploadRight on the URL parameter folderuuid. The movesave handler then operates on a separate URL parameter fileuuid and calls File::moveToFolder$destFolderUUID. File::moveToFolder checks the upload...

GHSA-Q6W3-HPFV-RG36 Admidio: IDOR in documents-files.php allows cross-folder file rename and description changes by unauthorized uploaders

Summary modules/documents-files.php mode filerenamesave shares the same root-cause shape as the cross-folder move bug 05-documents-cross-folder-move-idor.md: the top-level rights check at lines 79-89 validates hasUploadRight on the URL parameter folderuuid, but the rename operation acts on fileuu...

Incorrect Authorization

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 Incorrect Authorization through insufficient authorization checks in the renameFile process. An attacker can modify file names and...

GHSA-XG76-5QJ2-2HHV Admidio: CSRF in SSO client `enable` action toggles SAML/OIDC clients without token validation

Summary modules/sso/clients.php validates an admcsrftoken on every state-changing branch except enable. The enable case loads the SAML or OIDC client by UUID, calls $client-enable$enabled, and persists the new state with no token check. Because the action is reachable via plain GET parameters, a...

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 through the enable process in modules/sso/clients.php when handling SAML or OIDC client state changes...

GHSA-MX25-J3RC-6W2W Admidio's CSRF in registration `send_login` mode resets arbitrary user passwords

Summary modules/registration.php mode sendlogin regenerates a random password for useruuidassigned, stores its bcrypt hash in admusers.usrpassword, and emails the cleartext to that user. Every other state-changing mode in the same file assignmember, assignuser, deleteuser, createuser calls...

Incorrect Authorization

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 Incorrect Authorization through insufficient authorization checks in the modules/categories.php process. An attacker can delete,...

Missing Authorization

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 Missing Authorization in the filedelete process. An attacker can permanently delete files from folders where they only have view acce...

Admidio: Authorization bypass in file_delete enables cross-folder file removal by authenticated users without delete privileges

Summary An authenticated Admidio member with upload rights on any one folder can permanently delete files from folders where they have only view access. The authorization check at the top of modules/documents-files.php evaluates upload rights against the attacker-supplied folderuuid URL parameter...

GHSA-QC4C-HRMC-4F78 Admidio: Authorization bypass in file_delete enables cross-folder file removal by authenticated users without delete privileges

Summary An authenticated Admidio member with upload rights on any one folder can permanently delete files from folders where they have only view access. The authorization check at the top of modules/documents-files.php evaluates upload rights against the attacker-supplied folderuuid URL parameter...

PT-2026-45044

Name of the Vulnerable Software and Affected Versions Admidio versions prior to 5.0.10 Description When debug logging is enabled, the application logs sensitive credentials in cleartext. Specifically, the Session::setCookie function logs full cookie values and the Session::start function logs the...

CVE-2018-25370

Admidio 3.3.5 contains a cross-site request forgery vulnerability that allows low-privilege users to increase their permissions by exploiting improper origin checking. Attackers can craft malicious HTML forms targeting rolesfunction.php with parameters like rolassignroles, rolapproveusers, and...

CVE-2018-25370

Admidio 3.3.5 contains a cross-site request forgery vulnerability that allows low-privilege users to increase their permissions by exploiting improper origin checking. Attackers can craft malicious HTML forms targeting rolesfunction.php with parameters like rolassignroles, rolapproveusers, and...

CVE-2018-25370 Admidio 3.3.5 Cross-Site Request Forgery via roles_function.php

Admidio 3.3.5 contains a cross-site request forgery vulnerability that allows low-privilege users to increase their permissions by exploiting improper origin checking. Attackers can craft malicious HTML forms targeting rolesfunction.php with parameters like rolassignroles, rolapproveusers, and...