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Sead Fadilpašić

Experts warn this 'worst case scenario' React vulnerability could soon be exploited - so patch now

Closing the cybersecurity skills gap.
  • Critical React flaw (CVE-2025-55182) enables pre-auth RCE in React Server Components
  • Affects versions 19.0–19.2.0 and frameworks like Next, React Router, Vite; patches released in 19.0.1, 19.1.2, 19.2.1
  • Experts warn exploitation is imminent with near 100% success rate; urgent upgrades strongly advised

React is one of the most popular JavaScript libraries, which powers much of today’s internet. Researchers recently discovered a maximum-severity vulnerability. This bug could allow even the low-skilled threat actors to execute malicious code (RCE) on vulnerable instances.

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