NewsSmashing MagazineJul 21, 2026
Weaponizing And Defending The React Flight Protocol: Deserialization Sinks In RSCs
hello@smashingmagazine.com (Durgesh Pawar)

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 rem