Mattermost Server 11.7.x < 11.7.11 / 11.8.x < 11.8.6 / 11.9.x < 11.9.2 / 11.10.x < 11.10.2 Multiple Vulnerabilities (MMSA-2026-00771, MMSA-2026-00775, MMSA-2026-00776)

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Version 1.2 Sep 28, 2026, 8:04 AM CVSS metrics ("CVSSv2 score" set to 4.7) CVSS metrics ("CVSSv2 vector" set to "CVSS2#AV:N/AC:L/Au:M/C:P/I:P/A:N") CVSS metrics ("CVSSv3 score" set to 5.5) CVSS metrics ("CVSSv3 vector" set to "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N") CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:U/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:U/RL:O/RC:C") CVSSv2 score source (changed from "CVE-2026-96260" to "CVE-2026-96259") Exploit attributes ("Exploit available" set to "False") Exploit attributes ("Exploitability ease" set to "No known exploits are available") Plugin Feed: 202609280804
Version 1.1 Sep 25, 2026, 12:17 PM New Plugin Feed: 202609251217

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