Description
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.
References (2)
Core 2
Core References
Issue Tracking
https://github.com/RocketChat/Rocket.Chat/pull/33246
Scores
CVSS v3
7.5
EPSS
0.0041
EPSS Percentile
32.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
Status
published
Published
Sep 25, 2024
Tracked Since
Feb 18, 2026