An information disclosure vulnerability exists in Rocket.Chat <v5 due to the getUserMentionsByChannel meteor server method discloses messages from private channels and direct messages regardless of the users access permission to the room.
https://hackerone.com/reports/1410246
Source: Mitre, NVD
Published: 2022-09-23
Updated: 2025-05-22
Base Score: 6.8
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 0.00158