Home/CVE/Next.js is a React framework for building full-stack web applications. In versions starting from 13.0 to before 14.2.30
CVE

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

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.

MEDIUM · CVSS 4.3 EPSS 0.00101
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1385Missing Origin Validation in WebSockets
▤

Affected Products & Versions

2
vercel next.js>= 13.0.0 and < 14.2.30
vercel next.js>= 15.0.0 and < 15.2.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm next LOW fixed in 15.2.2
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 May 2025 · 04:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/vercel/next.js/security/advisories/GHSA-3h52-269p-cp9rVendor Advisory
https://vercel.com/changelog/cve-2025-48068Vendor Advisory
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