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NextJsReactFramework Origin Validation Error Vulnerability - CVE-2026-94485 - Vulnerability Database
Next.js

NextJsReactFramework Origin Validation Error Vulnerability - CVE-2026-94485

Medium
Reference: CVE-2026-94485
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2026-94485
Title: NextJsReactFramework Origin Validation Error Vulnerability
Overview:

Next.js is a React framework for building full-stack web applications. From 16.0.0 until 16.3.8 the next dev development server exposes a Model Context Protocol endpoint without reliably restricting cross-site requests. A malicious website visited by a developer can reach the endpoint and read the projects disk location source code snippets from error reports route inventory and development logs. Production deployments do not serve this endpoint. This issue is fixed in version 16.3.8.