Medium (4.3) in rocket.chat rocket.chat. EPSS 0.8% chance of exploitation in the next 30 days.
A information disclosure vulnerability exists in Rocket.Chat <v5 where the getUserMentionsByChannel meteor server method discloses messages from private channels and direct messages regardless of the users access permission to the room.
Severity
CVSS 3.1
4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)