A information disclosure vulnerability exists in Rocket.chat <v5, <v4.8.2 and <v4.7.5 where the lack of ACL checks in the getRoomRoles Meteor method leak channel members with special roles to unauthorized clients.
| Software | From | Fixed in |
|---|---|---|
| rocket.chat / rocket.chat | 4.8.0 | 4.8.2 |
| rocket.chat / rocket.chat | - | 4.7.5 |