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MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Description
Mattermost versions <11 fail to enforce multi-factor authentication on WebSocket connections which allows unauthenticated users to access sensitive information via WebSocket events
Basic Information
ID
CVE-2025-55070
Source
Mattermost
Published
Nov 14, 2025 at 08:02
Affected Product
Vendor
Mattermost
Product
Mattermost
Version
<11
Affected Versions
Mattermost Mattermost <11