LOW 3.1 Go
Mattermost Incorrect Authorization vulnerability
GHSA-j639-m367-75cf · CVE-2025-24839 · GO-2025-3621
Published · Modified
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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.
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