Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access controls for channel and team membership when linking a playbook run to a channel which allows members to link their runs to private channels they were not members of.
Fixes

Solution

Update Mattermost to versions 9.7.0, 9.5.4, 9.6.2, 8.1.13 or higher.


Workaround

No workaround given by the vendor.

References
History

Tue, 30 Sep 2025 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Mattermost mattermost Server
Weaknesses CWE-639
CPEs cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Vendors & Products Mattermost mattermost Server

cve-icon MITRE

Status: PUBLISHED

Assigner: Mattermost

Published:

Updated: 2024-08-02T02:06:42.837Z

Reserved: 2024-05-23T10:57:59.892Z

Link: CVE-2024-32045

cve-icon Vulnrichment

Updated: 2024-08-02T02:06:42.837Z

cve-icon NVD

Status : Analyzed

Published: 2024-05-26T14:15:09.137

Modified: 2025-09-30T15:24:46.110

Link: CVE-2024-32045

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-12T22:00:52Z