Mattermost versions <11 fail to enforce multi-factor authentication on WebSocket connections which allows unauthenticated users to access sensitive information via WebSocket events
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55070.json"
[ { "events": [ { "introduced": "0" }, { "fixed": "11.0.0" } ] } ]