Mattermost versions 9.5.x <= 9.5.3, 9.7.x <= 9.7.1 and 8.1.x <= 8.1.12 fail to perform a proper authorization check in the /api/v4/groups/<group-id>/channels/<channel-id>/link endpoint which allows a user to learn the members of an AD/LDAP group that is linked to a team by adding the group to a channel, even if the user has no access to the team.
Metrics
Affected Vendors & Products
References
Link | Providers |
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https://mattermost.com/security-updates |
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History
Tue, 30 Sep 2025 15:30:00 +0000
Type | Values Removed | Values Added |
---|---|---|
First Time appeared |
Mattermost mattermost Server
|
|
CPEs | cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | |
Vendors & Products |
Mattermost mattermost Server
|

Status: PUBLISHED
Assigner: Mattermost
Published: 2024-05-26T13:27:27.082Z
Updated: 2024-08-02T02:42:59.966Z
Reserved: 2024-05-23T10:57:59.882Z
Link: CVE-2024-34029

Updated: 2024-08-02T02:42:59.966Z

Status : Analyzed
Published: 2024-05-26T14:15:09.367
Modified: 2025-09-30T15:26:42.900
Link: CVE-2024-34029

No data.