LOW3.7
GHSA-9w97-9rqx-8v4j
Mattermost allows demoted guests to change group names
Quick fix
GHSA-9w97-9rqx-8v4j — github.com/mattermost/mattermost/server/v8: upgrade to the fixed version with the command below.
go get github.com/mattermost/mattermost/server/v8@v8.1.7Details
Mattermost fails to update the permissions of the current session for a user who was just demoted to guest, allowing freshly demoted guests to change group names.
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: 8.1.7Fix
go get github.com/mattermost/mattermost/server/v8@v8.1.7