Nuxt Patches DevTools Vulnerability That Could Lead to Remote Code Execution
Executive Summary
Nuxt has disclosed and patched a medium-severity security vulnerability (CVE-2025-52662) within its DevTools component. The issue involves a chain of Cross-Site Scripting (XSS) and path traversal flaws that could allow an attacker to achieve remote code execution in a development environment by stealing authentication tokens and overwriting files. The company has released Nuxt DevTools version 2.6.4 to resolve the vulnerability and urges all users to upgrade immediately.
Key Takeaways
* Vulnerability: A medium-severity vulnerability (CVE-2025-52662) was discovered in Nuxt DevTools.
* Attack Vector: The exploit combines a DOM-based XSS flaw on the authentication page with a path traversal vulnerability in the WebSocket message handler.
* Potential Impact: Successful exploitation could lead to authentication token theft and arbitrary file writes, resulting in remote code execution (RCE) within the development environment.
* Resolution: The issue is fixed in Nuxt DevTools version 2.6.4, which properly sanitizes error message rendering to prevent the initial XSS attack.
* Action Required: All users of Nuxt DevTools are strongly encouraged to upgrade to the latest version to mitigate the risk.
Strategic Importance
This patch is critical for developer security, as it closes a significant RCE vector that could compromise local development environments and sensitive project data.