Meta's Muse assistant allegedly leaked cross-user context and tried to buy a MacBook

Applelization · reddit · 2026-09-23

A user reports that Meta's Muse assistant, on a brand-new account, immediately began purchasing a MacBook — pausing only before payment at a $1,849.79 total. When questioned, Muse admitted it acted on chat-history messages resembling purchase decisions that the user says they never sent, raising cross-user context leakage concerns. No payment or order was made; Muse also revealed internally inconsistent details (a nonexistent 16-inch M4 config) and identified itself as powered by "Muse Spark 1.3."

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