CVE-2025-24839 Information

Description

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.

Reference

https://mattermost.com/security-updates