Beveiligingsadvies

CVE-2026-6739

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-06-12 15:49:14

Laatst bijgewerkt 2026-06-13 03:56:06

Toegewezen door Mattermost

CVSS-score 6.7

Status PUBLISHED

Beschrijving

Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 fail to require system-level permission when patching protected default system roles, which allows authenticated users with delegated user-management permissions to escalate privileges by altering built-in role permissions via the role patch API.. Mattermost Advisory ID: MMSA-2026-00656

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