Meta’s Muse AI Assistant Rolled Out With a Serious Security Flaw
Further raising questions, Amazon on Sunday began blocking Muse from its site.Meta introduced Muse a few weeks ago. When a task requires a tool that doesn’t exist, Muse creates one on the fly.Meta Doth Hype Muse Security Too MuchOf course, for Muse to do any of these things, users must first give it access to their accounts. This includes authenticating the assistant to each service and, because the app runs on macOS, giving it permissions to a broad range of operating system-restricted device resources, like writing files to disk, accessing the mic and camera, and monitoring location and calendars.
- ▪Further raising questions, Amazon on Sunday began blocking Muse from its site.Meta introduced Muse a few weeks ago.
- ▪When a task requires a tool that doesn’t exist, Muse creates one on the fly.Meta Doth Hype Muse Security Too MuchOf course, for Muse to do any of these things, users must first give it access to their accounts.
- ▪This includes authenticating the assistant to each service and, because the app runs on macOS, giving it permissions to a broad range of operating system-restricted device resources, like writing files to disk, accessing the mic and camera,
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Dan Goodin, Ars TechnicaSecuritySep 23, 2026 8:54 AMMeta’s Muse AI Assistant Rolled Out With a Serious Security FlawMeta says it issued a fix for the Muse zero-day vulnerability that would have let attackers do “whatever” they wanted on a victim’s Mac, highlighting the inherent dangers of AI helpers.Photo-Illustration: Jobanny Cabrera; Getty ImagesCommentLoaderSave StorySave this storyCommentLoaderSave StorySave this storyMeta founder and CEO Mark Zuckerberg has gone to great lengths to hype the security of its new AI assistant, Muse, claiming it is “built from the ground up for privacy and security.” A zero-day vulnerability that gives locally run apps and terminal commands complete control of the agent raises serious doubts.
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