First published: Thu Sep 26 2024(Updated: )
Mattermost versions 9.5.x <= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.
Credit: responsibledisclosure@mattermost.com
Affected Software | Affected Version | How to fix |
---|---|---|
Mattermost Mattermost Server | >=9.5.0<9.5.9 |
Update Mattermost to versions 9.11.0, 9.5.9 or higher.
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