NetSight
medium4.3

CVE-2026-0997

Mattermost Plugin Zoom allows any logged-in user to change Zoom meeting restrictions for arbitrary channels

Impact

Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 and Mattermost Plugin Zoom versions <=1.11.0 fail to validate the authenticated user when processing {{/plugins/zoom/api/v1/channel-preference}}, which allows any logged-in user to change Zoom meeting restrictions for arbitrary channels via crafted API requests.. Mattermost Advisory ID: MMSA-2025-00558

Affected packages

EcosystemPackageAffectedFixed in
gogithub.com/mattermost/mattermost-plugin-zoom< 1.11.01.11.0

Affected products

VendorProductAffected versions
MattermostMattermost Server
from 10.11.0 before 10.11.10
from 11.1.0 before 11.1.3
from 11.2.0 before 11.2.2
MattermostZoom
through 1.11.0

Weakness classification

References