If you are using Alerta, it is better to check your system if any vulnerability exists.
Alerta is an open source tool developed for monitoring alerts.
Versions lower than 8.1.0 are effected from this critical vulnerability. Authentications related to these versions may be able to bypassed. Problem caused by giving empty password while configuring the server.
Upgrade your Alerta service to a version 8.1.0 or higher.