[BUG] WebFetch freezes Claude Code with no way to interrupt besides exiting and restarting, losing all context

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

• The specific URL that caused the issue: https://finance.yahoo.com/quote/FL
• The WebFetch tool entered a "Fetching..." state and never returned (no timeout, no error), waited over an hour
• Reproducible multiple times
• ctrl + c, esc won't interrupt, and new commands just wait in queue indefinitely
• have to ctrl+c twice and exit Claude code, losing all context

What Should Happen?

It should time out if no response from server.

Error Messages/Logs

Steps to Reproduce

Ask Claude code to fetch https://finance.yahoo.com/quote/FL in a terminal in VS Code

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

Claude Code version: 2.0.41

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

VS Code integrated terminal

Additional Information

_No response_