GHSA-r833-w756-h5p2
Mattermost fails to check the required permissions
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | < 8.1.8 | 8.1.8 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.0.0, < 9.3.0 | 9.3.0 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost fails to check the required permissions in the POST /api/v4/channels/stats/member_count API resulting in channel member counts being leaked to a user without permissions.
References
External links from the advisory. They lead to third-party sites.