Description
Mattermost versions 9.5.x <= 9.5.9 fail to properly filter the channel data when ElasticSearch is enabled which allows a user to get private channel names by using cmd+K/ctrl+K.
References (1)
Core 1
Core References
Vendor Advisory
https://mattermost.com/security-updates
Scores
CVSS v3
4.3
EPSS
0.0036
EPSS Percentile
58.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-284
Status
published
Products (2)
mattermost/mattermost
0 - 8.0.0-20240813135334-8f3a13122f55Go
mattermost/mattermost_server
9.5.0 - 9.5.10
Published
Oct 29, 2024
Tracked Since
Feb 18, 2026