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Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the Get Channel Subscriptions details endpoint.
Reserved 2025-07-28 | Published 2025-08-11 | Updated 2025-08-11 | Assigner MattermostCWE-862: Missing Authorization
Lorenzo Gallegos
mattermost.com/security-updates
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