| Package | Affected versions | Patched versions |
|---|---|---|
| github.com/mattermost/mattermost-server/v6 | < 7.8.13 | 7.8.13 |
| github.com/mattermost/mattermost/server/v8 | < 8.1.4 | 8.1.4 |
| mattermost | ≥ 8.0.0, ≤ 8.1.3≤ 7.8.12 |
Mattermost fails to check if hardened mode is enabled when overriding the username and/or the icon when posting a post. If settings allowed integrations to override the username and profile picture when posting, a member could also override the username and icon when making a post even if the Hardened Mode setting was enabled
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