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Mattermost does not enforce MFA on WebSocket connections

🗓️ 14 Nov 2025 09:30:27Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Mattermost before eleven lacks multi factor authentication on WebSocket connections.

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17 Nov 2025 13:41Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.16.5 - 7.5
EPSS0.00148
SSVC
6