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Mattermost MattermostMattermost Zoom Plugin channel preference API lacks authorization checks

Risk 22
Severity
4.3
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 and Mattermost Plugin Zoom versions <=1.11.0 fail to validate the authenticated user when processing {{/plugins/zoom/api/v1/channel-preference}}, which allows any logged-in user to change Zoom meeting restrictions for arbitrary channels via crafted API requests.. Mattermost Advisory ID: MMSA-2025-00558

Remedy

Update Mattermost to versions 11.3.0, 11.1.3, 10.11.10, 11.2.2 or higher. Alternatively, update Mattermost Plugin Zoom to version 1.12.0 or higher
First published (updated )
CVE-2026-0997

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