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 |
|---|---|
| https://mattermost.com/security-updates |
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History
Sun, 13 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
epss
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epss
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Tue, 08 Jul 2025 20:00:00 +0000
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| First Time appeared |
Mattermost
Mattermost mattermost Server |
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| CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Mattermost
Mattermost mattermost Server |
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 |
| |
| 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 : Analyzed
Published: 2025-06-11T11:15:23.143
Modified: 2025-07-08T19:42:06.743
Link: CVE-2025-4128
No data.
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