CVE-2025-12559 | Mattermost up to 10.5.12/10.11.4/10.12.1/11.0.2 Email Address common_teams information disclosure

SecurityVulns
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A vulnerability was found in Mattermost up to 10.5.12/10.11.4/10.12.1/11.0.2. It has been classified as problematic. This affects an unknown part of the file /api/v4/channels/{channel_id}/common_teams of the component Email Address Handler. This manipulation causes information disclosure.

The identification of this vulnerability is CVE-2025-12559. It is possible to initiate the attack remotely. There is no exploit available.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More