VDB
Sign up
MEDIUM4.3

GHSA-q8p2-2hwc-jw64

Mattermost fails to restrict channel export of archived channels

Quick fix

GHSA-q8p2-2hwc-jw64 — github.com/mattermost/mattermost/server/v8: upgrade to the fixed version with the command below.

go get github.com/mattermost/mattermost/server/v8@v8.0.0-20250110161910-96195f1bd746

Details

Mattermost versions 10.1.x <= 10.1.3, 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to restrict channel export of archived channels when the "Allow users to view archived channels" is disabled which allows a user to export channel contents when they shouldn't have access to it

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/mattermost/mattermost/server/v8
Introduced in: 0Fixed in: 8.0.0-20250110161910-96195f1bd746
Fixgo get github.com/mattermost/mattermost/server/v8@v8.0.0-20250110161910-96195f1bd746
Go/github.com/mattermost/mattermost/server/v8
Introduced in: 9.11.0-rc1Fixed in: 9.11.8
Fixgo get github.com/mattermost/mattermost/server/v8@v9.11.8
Go/github.com/mattermost/mattermost/server/v8
Introduced in: 10.2.0-rc1Fixed in: 10.2.3
Fixgo get github.com/mattermost/mattermost/server/v8@v10.2.3
Go/github.com/mattermost/mattermost/server/v8
Introduced in: 10.3.0-rc1Fixed in: 10.3.3
Fixgo get github.com/mattermost/mattermost/server/v8@v10.3.3
Go/github.com/mattermost/mattermost/server/v8
Introduced in: 10.4.0-rc1Fixed in: 10.4.2
Fixgo get github.com/mattermost/mattermost/server/v8@v10.4.2

References