MEDIUM4.3
GHSA-q7rx-w656-fwmv
Mattermost notified all users in the channel when using WebSockets to respond individually
Quick fix
GHSA-q7rx-w656-fwmv — 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 scope the WebSocket response around notified users to a each user separately resulting in the WebSocket broadcasting the information about who was notified about a post to everyone else in the channel.
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@v8.1.7Go/github.com/mattermost/mattermost-server/v6
Introduced in:
0Fixed in: 8.1.7Fix
go get github.com/mattermost/mattermost-server/v6@v8.1.7References
- https://nvd.nist.gov/vuln/detail/CVE-2023-48732[ADVISORY]
- https://github.com/mattermost/mattermost/commit/851515be222160bee0a495c0d411056b19ed4111[WEB]
- https://github.com/advisories/GHSA-q7rx-w656-fwmv[ADVISORY]
- https://github.com/mattermost/mattermost[PACKAGE]
- https://mattermost.com/security-updates[WEB]