CVE-2025-55070

Description

Mattermost does not enforce MFA on WebSocket connections in github.com/mattermost/mattermost-server

Affected packages (6)

• Go/github.com/mattermost/mattermost-serverfrom 0, < 11.1.0
• Go/github.com/mattermost/mattermost-serverfrom 0, < 11.1.0+incompatible
• Go/github.com/mattermost/mattermost-server/v5from 0
• Go/github.com/mattermost/mattermost-server/v6from 0
• Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-20250912063506-7d8b7b5e4a60
• Go/github.com/mattermost/mattermost/server/v8from 0, < 8.0.0-20250912063506-7d8b7b5e4a60

CVSS scores

References (5)

• ADVISORYhttps://github.com/advisories/GHSA-xpg8-8xpv-948p
• ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-55070
• PATCHhttps://github.com/mattermost/mattermost
• WEBhttps://github.com/mattermost/mattermost/commit/7d8b7b5e4a6076b2f7c87606883c417f9a610df5
• WEBhttps://mattermost.com/security-updates