CVE-2025-27715
Auto-Enrollment of Team Admins into Private Channels without explicit consent
Summary
Auto-Enrollment of Team Admins into Private Channels without explicit consent
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory nvd.nist.gov
- web mattermost.com