Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to disallow the modification of local users when syncing users in shared channels. which allows a malicious remote to overwrite an existing local user.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/mattermost/mattermost/server/v8(Go) | 9.5.0 | 9.5.7 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 9.7.0 | 9.7.6 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 9.8.0 | 9.8.2 | N/A |
| github.com/mattermost/mattermost/server/v8(Go) | 9.9.0 | 9.9.1 | N/A |
CVSS Metrics
