CyberRota Analysis
AI-GeneratedNext.js applications utilizing App Router and Server Actions in versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10 are vulnerable to unauthorized disclosure of Server Action IDs, potentially allowing unauthenticated users to access sensitive information. While this vulnerability primarily serves as a reconnaissance tool, it poses a heightened risk when exploited alongside other weaknesses. Developers and organizations using affected versions should prioritize upgrading to versions 15.5.21 or 16.2.11 to mitigate this risk.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
Next.js is a React framework for building full-stack web applications. In versions 12.0.0 through 15.5.20 and 16.0.0 through 16.2.10, Next.js applications using App Router, Server Actions (use server) or use cache endpoints can be disclosed bypassing any authentication on the pages where these endpoints are usually used. Server Action IDs can be disclosed to unauthenticated users via publicly served client artifacts (for example, static chunks containing action references). Affected users are applications using App Router and Server Actions. By itself, this disclosure is typically a recon/enumeration primitive; however, it can increase risk when combined with other weaknesses. This issue has been fixed in versions 15.5.21 and 16.2.11.
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