CVE-2026-30927 | admidio up to 5.0.5 User Management events_function.php possibleToParticipate user_uuid authorization
A vulnerability labeled as problematic has been found in admidio up to 5.0.5. Affected is the function possibleToParticipate of the file modules/events/events_function.php of the component User Management Handler. Such manipulation of the argument user_uuid leads to authorization bypass.
This vulnerability is listed as CVE-2026-30927. The attack may be performed from remote. There is no available exploit.
The affected component should be upgraded.