| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/mattermost/mattermost-server | ≥ 10.3.0+incompatible, < 10.3.4+incompatible≥ 10.4.0+incompatible, < 10.4.3+incompatible≥ 9.11.0+incompatible, < 9.11.9+incompatible< 9.11.9 | 10.3.4+incompatible10.4.3+incompatible9.11.9+incompatible9.11.9 |
| github.com/mattermost/mattermost-server/v5 | all versions | |
| github.com/mattermost/mattermost-server/v6 | all versions | |
| github.com/mattermost/mattermost/server/v8 | ≥ 10.3.0, < 10.3.4≥ 10.4.0, < 10.4.3≥ 9.11.0, < 9.11.9< 8.0.0-20250218135018-e644e3c8e393 | 10.3.410.4.39.11.98.0.0-20250218135018-e644e3c8e393 |
| mattermost server | ≥ 10.3.0, < 10.3.4≥ 10.4.0, < 10.4.3≥ 9.11.0, < 9.11.9 | 10.3.4 |
Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public.
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