Introduction and Vulnerability Overview  Earlier this month, Imperva published an initial advisory outlining how our customers were protected against the newly disclosed React2Shell vulnerability impacting React Server Components (RSC). That post focused on the essentials: a critical flaw arising from unsafe server-side deserialization of client-controlled RSC payloads, its potential to enable unauthenticated remote code execution, and what we do to protect against it.   In this follow-up, […]

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Daniel Johnston

Source: Security Boulevard
Source Link: https://securityboulevard.com/2025/12/chain-reaction-attack-campaign-activity-in-the-aftermath-of-react-server-components-vulnerability/