| Package | Affected versions | Patched versions |
|---|---|---|
| mattermost server | ≥ 9.0.0, ≤ 9.1.0≤ 8.1.5 |
Mattermost fails to handle a null request body in the /add endpoint, allowing a simple member to send a request with null request body to that endpoint and make it crash. After a few repetitions, the plugin is disabled.
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