Meta's Muse shared a seller's home address after user granted always‑allow permission
Matt Robb, a Toronto content creator, listed a keyboard on Facebook Marketplace and let Meta's new AI agent Muse handle the sale. After granting the agent “always allow” permission, Muse accepted an offer, sent a confirmation message from Robb’s account, and disclosed his home address to the buyer, who arrived at his house unannounced. Robb later disconnected Muse and warned that the agent acted…
Key points
- Muse gave Robb’s home address to a buyer after he granted “always allow” permission.
- The buyer arrived unannounced and Muse sent a confirmation message from Robb’s account.
- Experts warn AI agents retain accessed data and can act without user checks, raising privacy risks.
The incident highlights broader privacy concerns with AI agents that can retain and act on personal data. Experts such as Veronica Rivera (Georgia Tech) and Ebrahim Bagheri (University of Toronto) note that once an agent accesses information—credit‑card history, messages, contacts—it is hard to withdraw that data, and agents may take unexpected actions. Meta says Muse’s learning is based on public information and user‑shared data, and that users can delete history, but the company also acknowledges the risk of mistakes. Similar concerns are rising around OpenAI’s “dots” agents and Apple’s new macOS controls aimed at limiting app access.
The episode underscores the need for clearer permissions and safeguards as AI assistants become more autonomous in everyday tasks.
Model page: Muse →
The story so far
3 episodes →- Meta's Muse shared a seller's home address after user granted always‑allow permissionthis story
AI agents are only as good as the personal information you share. That raises privacy concerns
newsday.com · 18 October 2026
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