CVE-2024-46936: Rocketchat Rocket.chat

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Rocket.Chat 6.12.0, 6.11.2, 6.10.5, 6.9.6, 6.8.6, 6.7.8, and before is vulnerable to a message forgery / impersonation issue. Attackers can abuse the UpdateOTRAck method to send ephemeral messages as if they were any other user they choose.

Affected products

• Rocketchat Rocket.chat: from 6.12.0, before 6.12.1 (fixed in 6.12.1); from 6.11.0, up to and including 6.11.2; from 6.10.0, up to and including 6.10.5; from 6.9.0, up to and including 6.9.6; from 6.8.0, up to and including 6.8.6; up to and including 6.7.8

Published 2024-09-25. Last modified 2026-06-17.