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.

Related CVEs

CVE-2022-32226

Key Information

GHSA ID

GHSA-jx87-887q-554q

Published

September 25, 2022 12:00 AM

Last Modified

September 28, 2022 12:00 AM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: September 21, 2025 6:29 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.