MEDIUM4.3
GO-2025-3903
Mattermost Lack of Access Control Validation in github.com/mattermost/mattermost-server
Quick fix
GO-2025-3903 — github.com/mattermost/mattermost-server: upgrade to the fixed version with the command below.
go get github.com/mattermost/mattermost-server@v10.5.9+incompatibleDetails
Mattermost Lack of Access Control Validation in github.com/mattermost/mattermost-server
Are you affected?
Enter the version of the package you're using.
Affected packages
Go/github.com/mattermost/mattermost-server
Introduced in:
10.5.0+incompatibleFixed in: 10.5.9+incompatibleFix
go get github.com/mattermost/mattermost-server@v10.5.9+incompatibleGo/github.com/mattermost/mattermost-server/v5
Introduced in:
0No fixed version published yet for github.com/mattermost/mattermost-server/v5 (go modules). Pin to a known-safe version or switch to an alternative.
Go/github.com/mattermost/mattermost-server/v6
Introduced in:
0No fixed version published yet for github.com/mattermost/mattermost-server/v6 (go modules). Pin to a known-safe version or switch to an alternative.
Go/github.com/mattermost/mattermost/server/v8
Introduced in:
0Fixed in: 8.0.0-20250721095846-c602a4a78e1fFix
go get github.com/mattermost/mattermost/server/v8@v8.0.0-20250721095846-c602a4a78e1f