CVE-2026-77145

The permission check for the frontend management update flow verified a different event than the one the request went on to modify. A user with frontend event management access could therefore modify events belonging to other organizers...

EUVD-2026-65331

The permission check for the frontend management update flow verified a different event than the one the request went on to modify. A user with frontend event management access could therefore modify events belonging to other organizers...

CVE-2026-41657

Summary : Admidio before version 5.0.9 exposed cross-organization member data via the contacts_data.php endpoint due to a weaker permission check (isAdministratorUsers()) compared to the frontend (isAdministrator()) and the contacts_show_all setting. This allowed a user manager (rol_edit_user) wi...

CVE-2026-41657 Admidio: Cross-Organization Member Data Exposure via Permission Check Mismatch in contacts_data.php

Admidio is an open-source user management solution. Prior to version 5.0.9, the contactsdata.php endpoint uses a weaker permission check isAdministratorUsers, requiring only roledituser=true than the frontend UI contacts.php which correctly requires the stronger isAdministrator requiring...

CVE-2026-41657 Admidio: Cross-Organization Member Data Exposure via Permission Check Mismatch in contacts_data.php

Admidio is an open-source user management solution. Prior to version 5.0.9, the contactsdata.php endpoint uses a weaker permission check isAdministratorUsers, requiring only roledituser=true than the frontend UI contacts.php which correctly requires the stronger isAdministrator requiring...