Vulnerability in Vercel Next.js
CVE-2025-48068
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (8.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Vercel Next.js — versions >= 13.0, < 14.2.30, >= 15.0.0, < 15.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/vercel/next.js/security/advisories/GHSA-3h52-269p-cp9r (Vendor Advisory)
- vercel.com/changelog/cve-2025-48068 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-48068?
- CVE-2025-48068 is a medium-severity vulnerability in Vercel Next.js, classified under CWE-1385. CVSS score: 4.3/10. Published 2025-05-30.
- How severe is CVE-2025-48068?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2025-48068 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.