When processing an email invite to a private channel on a team, Mattermost fails to validate the inviter's permission to that channel, allowing an attacker to invite themselves to a private channel.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/mattermost/mattermost-server(Go) | 3.3.0 | 7.1.6 | N/A |
| github.com/mattermost/mattermost-server(Go) | 7.7.0 | 7.7.2 | N/A |
| github.com/mattermost/mattermost-server(Go) | 7.1.0 | 7.1.6 | N/A |
| github.com/mattermost/mattermost-server/v5(Go) | 5.0.0 | 7.1.6 | N/A |
| github.com/mattermost/mattermost-server/v6(Go) | 6.0.0 | 7.1.6 | N/A |
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