Description
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.
No analysis available yet.
Remediation
Vendor Solution
Update Mattermost to versions 9.8.0, 9.5.4, 9.7.2, 8.1.13 or higher.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2024-34599 | 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. |
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
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:
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.
OpenCVE Enrichment
Updated: 2025-07-13T21:08:02Z
Weaknesses
EUVD