{"slug": "i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere", "title": "I reproduced a Claude Code RCE. The bug pattern is everywhere.", "summary": "A security researcher reproduced a remote code execution (RCE) vulnerability in Claude Code 2.1.118, which was disclosed by researcher Joernchen. The bug has since been fixed, but the underlying parsing anti-pattern that enabled it remains common across many AI developer tools. The researcher documented the reproduction process and analysis in a detailed article.", "body_md": "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.\nI've written a full article here:\nhttps://vechron.com/2026/05/i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere/", "url": "https://wpnews.pro/news/i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere", "canonical_source": "https://dev.to/piyush_gupta005/i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere-4jo1", "published_at": "2026-05-23 08:36:12+00:00", "updated_at": "2026-05-23 09:04:13.128982+00:00", "lang": "en", "topics": ["cybersecurity", "developer-tools", "artificial-intelligence", "large-language-models"], "entities": ["Claude Code", "Joernchen", "Anthropic"], "alternates": {"html": "https://wpnews.pro/news/i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere", "markdown": "https://wpnews.pro/news/i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere.md", "text": "https://wpnews.pro/news/i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere.txt", "jsonld": "https://wpnews.pro/news/i-reproduced-a-claude-code-rce-the-bug-pattern-is-everywhere.jsonld"}}