RED HERRINGS AND AI SLOP: DEBUNKING REACT2SHELL MISINFORMATION

Summary from the TLDR Dev newsletter

This article debunks widespread misinformation about the React2Shell vulnerability, explaining how React's 700-line obfuscated patch led researchers and AI tools to chase false leads like the $F primitive and property traversal gadgets that couldn't actually be exploited. The real vulnerability occurs much earlier in the RSC request lifecycle than expected, affecting any server processing RSC requests through multipart/form-data payloads with specific Flight protocol operators.