An authenticated user with API access (e.g.: user with default User role), more specifically a user with access to the user.update API endpoint is enough to be able to add themselves to any group (e.g.: Zabbix Administrators), except to groups that are disabled or having restricted GUI access.
| Software | From | Fixed in |
|---|---|---|
| zabbix / zabbix | 5.0.0 | 5.0.43 |
| zabbix / zabbix | 6.0.0 | 6.0.33 |
| zabbix / zabbix | 6.4.0 | 6.4.18 |
| zabbix / zabbix | 7.0.0 | 7.0.2 |