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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Score 4.3 from GitHub Security Advisory published 2022-07-15. NVD baseline CVSS 4.3; sources differ by 0.0.
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.
July 14, 2022
November 21, 2024
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CWE-200 · CWE-668