GHSA-xpg8-8xpv-948p
Mattermost does not enforce MFA on WebSocket connections
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | < 11.1.0 | 11.1.0 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250912063506-7d8b7b5e4a60 | 8.0.0-20250912063506-7d8b7b5e4a60 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions < 11 fail to enforce multi-factor authentication on WebSocket connections which allows unauthenticated users to access sensitive information via WebSocket events.
References
External links from the advisory. They lead to third-party sites.