Mattermost versions <11 fail to enforce multi-factor authentication on WebSocket connections which allows unauthenticated users to access sensitive information via WebSocket events
References
| Link | Resource |
|---|---|
| https://mattermost.com/security-updates | Vendor Advisory |
Configurations
History
17 Nov 2025, 17:51
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://mattermost.com/security-updates - Vendor Advisory | |
| First Time |
Mattermost
Mattermost mattermost Server |
|
| CPE | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* |
14 Nov 2025, 08:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-11-14 08:15
Updated : 2025-11-17 17:51
NVD link : CVE-2025-55070
Mitre link : CVE-2025-55070
CVE.ORG link : CVE-2025-55070
JSON object : View
Products Affected
mattermost
- mattermost_server
CWE
CWE-306
Missing Authentication for Critical Function
