Is CVE-2026-93846 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-93846?

CVE-2026-93846 has a CVSS v3 severity of LOW (3.8).

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CVE-2026-93846

Description

Mattermost versions 11.7.x <= 11.7.10 fail to restrict which built-in roles can be assigned to a team member via the API, which allows a team admin to grant a team member permissions beyond those permitted by the configured permission scheme via the {{update-team-member-roles}} REST API.. Mattermost Advisory ID: MMSA-2026-00734