| Package | Affected versions | Patched versions |
|---|---|---|
| mattermost | = 7.10.0≥ 7.7.0, ≤ 7.7.3≥ 7.8.0, ≤ 7.8.2≥ 7.9.0, ≤ 7.9.1 |
When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.
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