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Piyush Gupta
Piyush Gupta

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I reproduced a Claude Code RCE. The bug pattern is everywhere.

Last week, security researcher Joernchen published a clever RCE in Claude Code 2.1.118. I spent Saturday reproducing it from the advisory to understand the pattern. The bug is fixed now, but the parsing anti-pattern behind it is everywhere in AI developer tools.

I've written a full article here:
https://vechron.com/2026/05/i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere/

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