Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-58777 | Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team. |
Fixes
Solution
Update Mattermost Server to versions 8.1.6, 9.2.2 or higher.
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://mattermost.com/security-updates |
|
History
Mon, 12 May 2025 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Status: PUBLISHED
Assigner: Mattermost
Published:
Updated: 2025-05-12T19:28:29.898Z
Reserved: 2023-12-06T08:47:19.482Z
Link: CVE-2023-6547
Updated: 2024-08-02T08:35:14.519Z
Status : Modified
Published: 2023-12-12T09:15:09.857
Modified: 2024-11-21T08:44:04.430
Link: CVE-2023-6547
No data.
OpenCVE Enrichment
No data.
EUVD