Meta’s Muse AI sent a YouTuber’s address to a stranger

<figure> <img alt="The Muse AI mascot and logo." data-caption="" data-portal-copyright="Image: The Verge, Getty Images, Meta" data-has-syndication-rights="1" src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/09/STKB394_MUSE_AI_CVIRGINIA_A.png?quality=90&#038;strip=all&#038;crop=0,0,100,100" /> <figcaption> </figcaption> </figure> <p class="wp-block-paragraph">Tech YouTuber Matt Robb says that Muse gave out his home address to a total stranger this weekend, after authorizing the bot to handle his Facebook Marketplace account. That's despite Meta placing great emphasis on the security features of Muse when it launched the personal AI agent <a href="https://www.theverge.com/ai-artificial-intelligence/991216/meta-bets-on-ai-agent-muse-to-catch-up-in-ai-race">earlier this month</a> as it tries to catch up with competing AI providers like Anthropic and OpenAI.</p> <p class="wp-block-paragraph">"Just found out it told people my address and agreed a lowball price and then they showed up without it even telling me until late tonight that it messed up," <a href="https://www.threads.com/@matt.j.robb/post/DdxwAJnDhNy">Robb said on Threads</a>, providing a screenshot of Muse's admission. "[Muse] didn't tell me any of this until …</p> <p><a href="https://www.theverge.com/ai-artificial-intelligence/1001886/meta-muse-ai-facebook-marketplace-security-concerns">Read the full story at The Verge.</a></p>