CVE-2022-32226 Information

Description

An improper access control vulnerability exists in Rocket.Chat <v5 <v4.8.2 and <v4.7.5 due to input data in the getUsersOfRoom Meteor server method is not type validated so that MongoDB query operator objects are accepted by the server so that instead of a matching rid String a$regex query can be executed bypassing the room access permission check for every but the first matching room.

Reference

https://hackerone.com/reports/1410357