github.com/mattermost/mattermost-plugin-boards

2 known vulnerabilities.

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Low 3.1

CVE-2025-9081

IDOR in board file download allows any user to download any file by UUID

Mattermost versions 10.5.x <= 10.5.8, 9.11.x <= 9.11.17 fail to properly validate access controls which allows any authenticated user to download sensitive files via board file download endpoint using UUID enumeration

Mattermost Mattermost github.com/mattermost/mattermost-server github.com/mattermost/mattermost-server/v6 Go

Sep 19, 2025