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Weaponizing And Defending The React Flight Protocol: Deserialization Sinks In RSCs

While React Server Components rely on the custom Flight protocol to stream interactive UIs, this same mechanism introduces powerful deserialization sinks that attackers can exploit. Durgesh Pawar breaks down the mechanics behind the CVSS 10.0 “React2Shell” vulnerability to show how protocol manipulation can lead to remote code execution.

https://www.smashingmagazine.com/2026/07/weaponizing-defending-react-flight-protocol/
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