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 6.7EPSS 0.257%Risque 0.69
Voir la source- Publication
- 2026-06-12 17:16:27
- Versions concernées
- <=11.6.1,<=11.5.4,<=10.11.15,<=10.11.16
- Type
- Application web
- Vecteur
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L