Mattermost Server 10.11.x < 10.11.20 / 11.6.x < 11.6.5 / 11.7.x < 11.7.3 Multiple Vulnerabilities (MMSA-2026-00658, MMSA-2026-00676, MMSA-2026-00680, MMSA-2026-00683, MMSA-2026-00688, MMSA-2026-00689, MMSA-2026-00690)

The version of Mattermost Server installed on the remote host is affected by multiple vulnerabilities as referenced in the MMSA-2026-00658, MMSA-2026-00676, MMSA-2026-00680, MMSA-2026-00683, MMSA-2026-00688, MMSA-2026-00689, MMSA-2026-00690 advisories. - Mattermost versions 11.7.x = 11.7.2, 11.6....