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GHSA-9QR9-H5GF-34MP Next.js is vulnerable to RCE in React flight protocol

🗓️ 03 Dec 2025 19:07:11Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Next.js App Router is vulnerable to React flight RCE CVE-2025-55182; upgrade React to 19.0.1/19.1.2/19.2.1 and Next.js to patched releases.

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04 Feb 2026 03:45Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.110
EPSS0.99562
1