Servers and applications
CVE-2025-27715
Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.
- Severity
- Low 2.7
- Published
- 21 Mar 2025
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 9.11.9
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
MattermostServers and applications · cpe:a:mattermost:mattermost_server |
|