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GO-2025-3730
Mattermost fails to properly enforce access controls for guest users in github.com/mattermost/mattermost-server
Quick fix
GO-2025-3730 — github.com/mattermost/mattermost-server: upgrade to the fixed version with the command below.
go get github.com/mattermost/mattermost-server@v9.11.13+incompatible Details
Mattermost fails to properly enforce access controls for guest users 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:
9.0.0-rc1+incompatible Fixed in: 9.11.13+incompatible Fix
go get github.com/mattermost/mattermost-server@v9.11.13+incompatible Go / github.com/mattermost/mattermost-server/v5
Introduced in:
0 No 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:
0 No 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:
0 Fixed in: 8.0.0-20250414110750-c23f44fe8ed0 Fix
go get github.com/mattermost/mattermost/server/v8@v8.0.0-20250414110750-c23f44fe8ed0