Servers and applications
CVE-2017-18920
An issue was discovered in Mattermost Server before 3.6.2. The WebSocket feature does not follow the Same Origin Policy.
- Severity
- Critical 9.8
- Published
- 19 Jun 2020
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 3.6.2
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
MattermostServers and applications · cpe:a:mattermost:mattermost_server |
|