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MEDIUM5.3

GHSA-3wq5-3f56-v5xc

Mattermost vulnerable to information disclosure

Quick fix

GHSA-3wq5-3f56-v5xc — github.com/mattermost/mattermost-server/v6: upgrade to the fixed version with the command below.

go get github.com/mattermost/mattermost-server/v6@v7.1.6

Details

Mattermost allows an attacker to request a preview of an existing message when creating a new message via the createPost API call, disclosing the contents of the linked message.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/mattermost/mattermost-server/v6
Introduced in: 6.3.0Fixed in: 7.1.6
Fixgo get github.com/mattermost/mattermost-server/v6@v7.1.6
Go/github.com/mattermost/mattermost-server
Introduced in: 7.8.0Fixed in: 7.8.1
Fixgo get github.com/mattermost/mattermost-server@v7.8.1
Go/github.com/mattermost/mattermost-server
Introduced in: 7.7.0Fixed in: 7.7.2
Fixgo get github.com/mattermost/mattermost-server@v7.7.2
Go/github.com/mattermost/mattermost-server
Introduced in: 7.1.0Fixed in: 7.1.6
Fixgo get github.com/mattermost/mattermost-server@v7.1.6
Go/github.com/mattermost/mattermost-server/v6
Introduced in: 6.0.0-20211025164829-f7a8147b825cFixed in: 6.0.0-20230301145909-10be118d99a5
Fixgo get github.com/mattermost/mattermost-server/v6@v6.0.0-20230301145909-10be118d99a5
Go/github.com/mattermost/mattermost-server
Introduced in: 1.4.1-0.20211025164829-f7a8147b825cFixed in: 1.4.1-0.20230301145909-10be118d99a5
Fixgo get github.com/mattermost/mattermost-server@v1.4.1-0.20230301145909-10be118d99a5

References