
A severe pre-authentication remote code execution vulnerability, now widely known as React2Shell, has sent shockwaves through the cybersecurity community as state-sponsored threat actors began its active exploitation mere days after its public disclosure. The flaw, officially tracked as CVE-2025-55182, impacts specific versions of React Server Components from 19.0.0 to 19.2.0 and carries the highest possible CVSS v3.1 severity score of










