Insecure UI Permissions in Mattermost Allow Unauthorized Board Access

CVE-2023-3587 · LOW Severity

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Mattermost fails to properly show information in the UI, allowing a system admin to modify a board state allowing any user with a valid sharing link to join the board with editor access, without the UI showing the updated permissions.

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