All intelligence
// vulnerability record
cached · NVD via COSMOS syncCVE-2026-6739
MEDIUMpublished 2026-06-12 17:16 UTC · 13 days ago · modified 2026-06-15 20:56 UTC
6.7
CVSS / 10
// description
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
// cvss 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
// weaknesses (CWE)
- CWE-863