CVE-2026-94485
Last modified
CVE-2026-94485 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
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 project's 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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vercel | Next.Js | >= 16.0.0, < 16.3.8 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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