MEDIUM 6.5 Go

Mattermost does not enforce MFA on WebSocket connections

GHSA-xpg8-8xpv-948p · CVE-2025-55070 · GO-2025-4128

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Description

Mattermost versions < 11 fail to enforce multi-factor authentication on WebSocket connections which allows unauthenticated users to access sensitive information via WebSocket events.

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