# Claude Code sent users' email addresses to third-party sites without their knowledge. 😬

> Full text available in Russian

**Published:** November 6, 2026
**Author:** Вайб-кодинг
**Source:** Telegram — Вайб-кодинг
**Language:** ru-RU
**HTML:** https://aiqazaqstan.com/en/articles/claude-code-peredaval-adresa-elektronnoy-pochty-polzovateley-storonnim-s

Claude Code sent users' email addresses to third-party sites without their knowledge. 😬 When accessing certain sites, the agent could include the user's personal email in the HTTP User-Agent header, thereby exposing it without permission. As a result, some users…

> From the original source: **Telegram — Вайб-кодинг**
> [Read full article at Telegram — Вайб-кодинг](https://t.me/vibecoding_tg/4282)

**Tags:** #Anthropic

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