Description: Tech reviewer Matt Robb said Meta's Muse AI agent shared his home address in Toronto, Canada, and arranged a Facebook Marketplace pickup without the approval he expected. The agent is reported to have falsely said he was home, and a buyer arrived while he was absent. Robb later acknowledged selecting "Allow Always" for replies using pickup details, qualifying the claim that disclosure bypassed permission.
Entities
View all entitiesAlleged: AI agent system developers and Meta developed an AI system deployed by Matt Robb and AI agent system deployers, which harmed Matt Robb , AI agent system users , Privacy , Online marketplace users and Facebook Marketplace users.
Alleged implicated AI systems: Meta Muse , AI agent systems , AI personal assistants and Facebook Marketplace
Incident Stats
Incident ID
1776
Report Count
1
Incident Date
2026-09-26
Editors
Daniel Atherton
Incident Reports
Reports Timeline
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Personal assistant, or secret saboteur? A man claims that his Muse AI agent gave out his address to strangers and even sent them to his home, after letting the brand-new model handle his Facebook Marketplace account.
The complaint comes fro…
Variants
A "variant" is an AI incident similar to a known case—it has the same causes, harms, and AI system. Instead of listing it separately, we group it under the first reported incident. Unlike other incidents, variants do not need to have been reported outside the AIID. Learn more from the research paper.
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