Mattermost versions 10.5.x <= 10.5.4, 9.11.x <= 9.11.13 fail to properly restrict API access to team information, allowing guest users to bypass permissions and view information about public teams they are not members of via a direct API call to /api/v4/teams/{team_id}.
Metrics
Affected Vendors & Products
References
Link | Providers |
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https://mattermost.com/security-updates |
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History
Wed, 11 Jun 2025 14:15:00 +0000
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Metrics |
ssvc
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Wed, 11 Jun 2025 10:45:00 +0000
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Description | Mattermost versions 10.5.x <= 10.5.4, 9.11.x <= 9.11.13 fail to properly restrict API access to team information, allowing guest users to bypass permissions and view information about public teams they are not members of via a direct API call to /api/v4/teams/{team_id}. | |
Title | Mattermost Guest User Information Disclosure Vulnerability | |
Weaknesses | CWE-863 | |
References |
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Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Mattermost
Published: 2025-06-11T10:25:04.917Z
Updated: 2025-06-11T13:12:40.338Z
Reserved: 2025-04-30T07:45:45.749Z
Link: CVE-2025-4128

Updated: 2025-06-11T13:12:36.277Z

Status : Awaiting Analysis
Published: 2025-06-11T11:15:23.143
Modified: 2025-06-12T16:06:20.180
Link: CVE-2025-4128

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