CVE-2025-12559
Published: Nov 27, 2025
Modified: Nov 28, 2025
CVSS v3.1
4.3
Description
Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to sanitize team email addresses to be visible only to Team Admins, which allows any authenticated user to view team email addresses via the GET /api/v4/channels/{channel_id}/common_teams endpoint
| Vendor | Product | Versions |
|---|---|---|
Mattermost | Mattermost | affected 11.0.0 - <= 11.0.2affected 10.12.0 - <= 10.12.1affected 10.11.0 - <= 10.11.4affected 10.5.0 - <= 10.5.12unaffected 11.1.0+4 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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