NetSight
low3.1

CVE-2025-24839

Mattermost Incorrect Authorization vulnerability

Impact

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to prevent Wrangler posts from triggering AI responses. This vulnerability allows users without access to the AI bot to activate it by attaching the activate_ai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.

Affected packages

EcosystemPackageAffectedFixed in
gogithub.com/mattermost/mattermost/server/v8>= 10.5.0, < 10.5.210.5.2

Affected products

VendorProductAffected versions
MattermostMattermost Server
from 9.11.0 before 9.11.10
from 10.4.0 before 10.4.4
from 10.5.0 before 10.5.2

Weakness classification

References