Mattermost Server 10.11.x <= 10.11.9 / 11.1.x <= 11.1.2 / 11.2.x <= 11.2.1 Improper Access Control (MMSA-2025-00550)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2025-00550 advisory. - Mattermost versions 10.11.x = 10.11.9, 11.1.x = 11.1.2, and 11.2.x = 11.2.1 fail to properly validate channel permissions when using the Jira plugin. This...