CVE-2024-29221

Invite ID available to team admins even without the "Add Members" permission

Published Apr 5, 2024 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the "Add Members" permission was explicitly removed from team admins.

Remediation

Vendor Solution

Update Mattermost Server to versions 9.6.0, 9.5.2, 9.4.4, 9.3.3, 8.1.11 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-1318 Improper Access Control in Mattermost Server versions 9.5.x before 9.5.2, 9.4.x before 9.4.4, 9.3.x before 9.3.3, 8.1.x before 8.1.11 lacked proper access control in the `/api/v4/users/me/teams` endpoint allowing a team admin to get the invite ID of their team, thus allowing them to invite users, even if the "Add Members" permission was explicitly removed from team admins.
Github GHSA Github GHSA GHSA-w67v-ph4x-f48q Mattermost Server Improper Access Control
References
History
Type Values Removed Values Added
First Time appeared Mattermost
Mattermost mattermost Server
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost
Mattermost mattermost Server
Weaknesses

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Aug 2, 2024, 1:10 AM
Reserved
Apr 3, 2024, 10:03 AM
Status
Analyzed
Published
Apr 5, 2024, 9:15 AM
Modified
Jun 17, 2026, 7:22 AM