Mattermost 伺服器10.11.x< 10.11.16 / 11.5.x < 11.5.5 / 11.6.x <11.6.2多個漏洞 (MMSA-2026-00616 / MMSA-2026-00649 / MMSA-2026-00661MMSA-2026-00662MMSA-2026-00655MMSA-2026-00656 ) MMSA-2026-00665

high Nessus Plugin ID 321514