Mattermost Server 10.11.x < 10.11.8 / 10.12.x < 10.12.4 / 11.0.x <= 11.0.6 / 11.1.x <= 11.1.1 Improper Authentication (MMSA-2025-00555)

The version of Mattermost Server installed on the remote host is 10.11.x prior to 10.11.8, 10.12.x prior to 10.12.4, 11.0.x prior to 11.0.6, or 11.1.x prior to 11.1.1, and is, therefore, affected by an improper authentication vulnerability: - Mattermost versions 11.1.x = 11.1.0, 11.0.x = 11.0.5,...