CVE-2025-48068 Information exposure in Next.js dev server due to lack of origin verification
Attackers can expose limited source code from local Next.js dev servers by tricking developers into visiting malicious pages while the App Router is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-48068?
CVE-2025-48068 is a low-severity vulnerability in Vercel Next.js, published on 30 May 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Next.js is a React framework for building full-stack web applications. In versions starting from 13.0 to before 14.2.30 and 15.0.0 to before 15.2.2, Next.js may have allowed limited source code exposure when the dev server was running with the App Router enabled. The vulnerability only affects local development environments and requires the user to visit a malicious webpage while npm run dev is active. This issue has been patched in versions 14.2.30 and 15.2.2.
Weakness: CWE-1385
Which versions are affected by CVE-2025-48068?
4 open source packages ship an affected version, including next. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
next npm | From 13.0 | 14.2.30 |
next npm | From 13.0 | 14.2.30 |
next npm | From 15.0.0 | 15.2.2 |
next npm | From 15.0.0 | 15.2.2 |
Products include Vercel Next.js.
How do I fix CVE-2025-48068?
Upgrade next to a fixed version for your release line: 14.2.30 or 15.2.2.
Is CVE-2025-48068 being exploited?
There is no known exploitation of CVE-2025-48068 in the wild and no public exploit code.
Other vulnerabilities in Vercel Next.js
- CVE-2025-29927 Authorization Bypass in Next.js Middleware
- CVE-2026-44578 Next.js: Server-side request forgery in applications using WebSocket upgrades
- CVE-2026-94483 Next.js: Server-Side Request Forgery in Image Optimization
- CVE-2026-64642 Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single locale
- CVE-2026-64645 Next.js: Server-Side Request Forgery in rewrites via attacker-controlled destination hostname
Sources
Also known as GHSA-3h52-269p-cp9r, MINI-5v85-8297-m2x4, ROOT-APP-NPM-CVE-2025-48068.