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Next.js is vulnerable to RCE in React flight protocol

🗓️ 03 Dec 2025 19:07:11Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 12 Views

RCE in React flight protocol hits React 19.0.0–19.2.0 and Next.js 15/16; upgrade to patched.

Related
Detection
Refs
Vulners
Node
nextnextRange15.5.0-canary.015.5.7npm
OR
nextnextRange15.1.0-canary.015.1.9npm
OR
nextnextRange16.0.0-canary.016.0.7npm
OR
nextnextRange15.4.0-canary.015.4.8npm
OR
nextnextRange15.3.0-canary.015.3.6npm
OR
nextnextRange15.2.0-canary.015.2.6npm
OR
nextnextRange14.3.0-canary.7715.0.5npm

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11 Dec 2025 19:31Current
7.7High risk
Vulners AI Score7.7
CVSS 3.110
EPSS0.84541
SSVC
12