Improper Restriction of Guest User Permissions in Mattermost Version 6.7.0 and Earlier

Improper Restriction of Guest User Permissions in Mattermost Version 6.7.0 and Earlier

CVE-2022-2408 · MEDIUM Severity

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

The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels.

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