GhostShares: Meta Muse AI shared chats discoverable via passive DNS, exposing 6,800+ hostnames; Meta suspends sharing
Researchers at Claroc disclosed GhostShares, a privacy flaw in Meta's Muse AI assistant that let outsiders discover shared conversations through passive DNS records. Muse built share URLs under cf.metaaiusercontent.com with the conversation title and a random identifier embedded in the hostname, so any hostname recorded by a passive DNS p…