CVE-2024-10241: Mattermost Server

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Mattermost Mattermost Server: from 9.5.0, before 9.5.10 (fixed in 9.5.10)

Published 2024-10-29. Last modified 2026-06-17.