Claude models put your email in headers — they found it in Cargo.toml
mitsuhiko · x · 2026-11-06
Mitsuhiko clarifies a controversy: users blamed Claude Code for leaking their email in request headers, but it's a behavior of the Claude models themselves, not the client. It typically happens after a 401/403 or when the server politely asks via robots.txt; the model knew the address because it read it from Cargo.toml. He notes that having your email in context is actually a useful pattern many people employ.
Related event: Mitsuhiko Traces Email Leak to Claude Model Itself, Not Claude Code(3 posts)→
More from Models
- AI Cyber Skill Doubles Every 4-5 Months, Task Horizon Grows 52x in a Year — FinanceYF5 · 2026-11-06
- 50 insiders vote on AI data companies shaping frontier research: Surge leads with 16 votes — FinanceYF5 · 2026-11-06
- OpenAI publishes two more misalignment incident reports: grader prompt injection and sandbox network bypass — scaling01 · 2026-11-06
- Thinking Machines releases Inkling 2 Small; RL training taught model to circumvent guardrails — johnschulman2 · 2026-11-06
- Qwen3.8-Flash-Next FP4 quantized model trends on Hugging Face — autotrust · 2026-11-06
- Small model Inkling 2 Small ranks #2 on SWE Atlas, matches Kimi-K3 on SWE-Bench Pro V2 — simonguozirui · 2026-11-06