Mattermost Server 10.11.x < 10.11.20 / 11.6.x < 11.6.5 / 11.7.x < 11.7.2 Incorrect Authorization (MMSA-2026-00653)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2026-00653 advisory. - Mattermost versions 11.7.x = 11.7.1, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to restrict metric configuration changes to the playbook being saved, which...

CVE-2026-6541

CVE-2026-6541 affects Mattermost versions 11.7.x &lt;= 11.7.1, 11.6.x &lt;= 11.6.4, and 10.11.x