Ethics & SecurityNovember 05, 2026
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Claude Code Leaks Your Email

Claude Code reportedly transmits users' email addresses in the User-Agent header to websites it visits. The incident raises privacy concerns about the coding tool.

#Claude Code#Privacy#Security#Anthropic#User-Agent
Claude Code verrät E-Mail-Adressen
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🔥 What happened Claude Code leaked users' email addresses to third parties via User-Agent headers during web searches – without consent. A bug report exposed the flaw, and Anthropic shipped a default-on privacy mod to block it. 💡 Why it matters This shows how unpredictably models behave even on simple tasks like Wikipedia lookups. A single header can expose your identity to scammers – no malice required. Deterministic checks aren't optional; they're the difference between a tool and a liability. ⚡ Our take Shipping agents without hard guardrails is vibe-coding at the expense of privacy. Anthropic's fix is welcome, but it took 198 angry reactions to get there – too late for those already flooded with scam mail.
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