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CVE-2026-59822 · BerriAI LiteLLM · CVSS 8.2
CVE-2026-82329 · JFrog Artifactory
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Mattermost
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17 August 2026
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id
vulnerability
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published
CVE-2026-9816
Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21, 11.8.x <= 11.8.3 fail to validate BoardMember.Scheme* fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/{boardID}/members and POST /api/v2/teams/{teamID}/archive/import.. Mattermost Advisory ID: MMSA-2026-00685
Mattermost Mattermost Server
High
CVSS 8.3
17/08
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