| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/mattermost/mattermost-server | ≥ 10.10.0, < 10.10.3≥ 10.10.0+incompatible, < 10.10.3+incompatible≥ 10.11.0, < 10.11.2≥ 10.11.0+incompatible, < 10.11.2+incompatible≥ 10.5.0, < 10.5.11≥ 10.5.0+incompatible, < 10.5.11+incompatible | 10.10.310.10.3+incompatible10.11.210.11.2+incompatible10.5.1110.5.11+incompatible |
| github.com/mattermost/mattermost-server/v5 | all versions | |
| github.com/mattermost/mattermost-server/v6 | all versions | |
| github.com/mattermost/mattermost/server/v8 | < 8.0.0-20250815100400-2d5cdc6e217eall versions | 8.0.0-20250815100400-2d5cdc6e217e |
| mattermost server | ≥ 10.10.0, < 10.10.3≥ 10.11.0, < 10.11.3≥ 10.5.0, < 10.5.11 | 10.10.310.11.310.5.11 |
Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the RelayState.
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