| Package | Affected versions | Patched versions |
|---|---|---|
| mattermost server | ≥ 9.10.0, < 9.10.2≥ 9.5.0, < 9.5.9≥ 9.9.0, < 9.9.3 | 9.10.29.5.99.9.3 |
Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of.
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