medium4.3
CVE-2023-48732
Mattermost notified all users in the channel when using WebSockets to respond individually
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/mattermost/mattermost/server/v8 | <= 8.1.6 | 8.1.7 |
| go | github.com/mattermost/mattermost-server/v6 | <= 8.1.6 | 8.1.7 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mattermost | Mattermost Server | before 8.1.7 |