GHSA-mj2p-v2c2-vh4v
Mattermost Incorrect Authorization vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.5.0, < 10.5.2 | 10.5.2 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 10.4.0, < 10.4.4 | 10.4.4 |
| Go | github.com/mattermost/mattermost/server/v8 | >= 9.11.0, < 9.11.10 | 9.11.10 |
| Go | github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250314142426-c049748b8863 | 8.0.0-20250314142426-c049748b8863 |
Details
As written in the advisory (Markdown source, shown as plain text).
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to properly enforce the 'Allow users to view/update archived channels' System Console setting, which allows authenticated users to view members and member information of archived channels even when this setting is disabled.
References
External links from the advisory. They lead to third-party sites.