Threats Tagged 'cve-2026-9859'
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Threats Tagged 'cve-2026-9859'
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Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21, 11.8.x <= 11.8.3 fail to enforce PermissionManageBoardRoles on the channelId field of the… (CVE-2026-9859)CVE-2026-9859 0 Mattermost versions 11.7.x up to 11.7.6, 10.11.x up to 10.11.21, and 11.8.x up to 11.8.3 contain a vulnerability where the PermissionManageBoardRoles permission is not enforced on the channelId field of the batch endpoint. This flaw allows an authenticated board editor to relink any board they can edit to an arbitrary channel by sending a crafted PATCH request. The vulnerability has a moderate severity with a CVSS score of 6.5. Join the discussion | GCVE Database | 08/18/2026, 00:30:36 UTC Added: 08/18/2026, 00:42:16 UTC |
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