Headline
GHSA-4fwj-8595-wp25: Mattermost has Insufficiently Protected Credentials
Mattermost versions 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to negotiate a new token when accepting the invite which allows a user that intercepts both invite and password to send synchronization payloads to the server that originally created the invite via the REST API.
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2025-6227
Mattermost has Insufficiently Protected Credentials
Low severity GitHub Reviewed Published Jul 18, 2025 to the GitHub Advisory Database • Updated Jul 21, 2025
Package
gomod github.com/mattermost/mattermost-server (Go)
Affected versions
>= 10.5.0, < 10.5.8
>= 9.11.0, < 9.11.17
Patched versions
10.5.8
9.11.17
gomod github.com/mattermost/mattermost/server/v8 (Go)
< 8.0.0-20250612074655-8f8612c63783
8.0.0-20250612074655-8f8612c63783
Description
Published to the GitHub Advisory Database
Jul 18, 2025
Last updated
Jul 21, 2025