CVE-2026-9859 in Mattermostthông tin

Tóm tắt

Bởi MITRE • 18/08/2026

Mattermost versions 11.7.x <= 11.7.6, 10.11.x <= 10.11.21, 11.8.x <= 11.8.3 fail to enforce PermissionManageBoardRoles on the channelId field of the batch endpoint, which allows an authenticated board editor to relink any board they can edit to an arbitrary channel via a crafted PATCH request. Mattermost Advisory ID: MMSA-2026-00686

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chịu trách nhiệm

Mattermost

Đặt trước

28/05/2026

Tiết lộ

18/08/2026

Kiểm duyệt

được chấp nhận

EPSS

0.00000

KEV

không

Các hoạt động

thấp

Nguồn

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