CVE-2022-32226: Rocket.chat

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

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.

Affected products

• Rocket.chat Rocket.chat: before 4.7.5 (fixed in 4.7.5); from 4.8.0, before 4.8.2 (fixed in 4.8.2)

Published 2022-09-23. Last modified 2026-06-17.