User Reports Receiving Another's Claude Chat with Suicidal Content

anashel · reddit · 2026-07-07

A user, while having a casual conversation with Claude about birthday songs, unexpectedly received chat replies that appeared to belong to another user, containing crisis messages like "I want to kill myself at 3 AM." The user saved the full chat log and shared the link publicly, urging Anthropic to investigate. If true, this indicates a serious session isolation vulnerability in Claude, posing privacy and security risks.

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