MEDIUM4.3
GO-2025-4131
Mattermost allows regular users to access archived channel content and files in github.com/mattermost/mattermost-server
Quick fix
GO-2025-4131 — github.com/mattermost/mattermost-server: upgrade to the fixed version with the command below.
go get github.com/mattermost/mattermost-server@v11.0.0-alpha.1+incompatibleDetails
Mattermost allows regular users to access archived channel content and files 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:
0Fixed in: 11.0.0-alpha.1+incompatibleFix
go get github.com/mattermost/mattermost-server@v11.0.0-alpha.1+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: 8.0.0-20250815165020-c8d66301415dFix
go get github.com/mattermost/mattermost/server/v8@v8.0.0-20250815165020-c8d66301415d