Popis
Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21, 11.8.x <= 11.8.3 fail to validate BoardMember.Scheme* fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/{boardID}/members and POST /api/v2/teams/{teamID}/archive/import.. Mattermost Advisory ID: MMSA-2026-00685
CVSS 8.3EPSS 0.261%Riziko 0.85
Zobraziť zdroj- Zverejnené
- 2026-08-17 22:17:27
- Dotknuté verzie
- <=11.7.6, <=10.11.21, <=11.8.3
- Typ
- Webová aplikácia
- Posledná úprava
- 2026-08-19 13:29:28
- Vektor
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H