Critical RSC Bugs in React and Next.js Allow Unauthenticated Remote Code Execution

GR 04/12/2025 0 Comments

A maximum-severity security flaw has been disclosed in React Server Components (RSC) that, if successfully exploited, could result in remote code execution.
The vulnerability, tracked as CVE-2025-55182, carries a CVSS score of 10.0. The vulnerability has been codenamed React2shell.
It allows “unauthenticated remote code execution by exploiting a flaw in how React decodes payloads sent to React

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