// For flags

CVE-2025-48068

Information exposure in Next.js dev server due to lack of origin verification

Severity Score

2.3
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Next.js is a React framework for building full-stack web applications. In versions starting from 13.0 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 version 15.2.2.

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.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
None
User Interaction
Passive
System
Vulnerable | Subsequent
Confidentiality
Low
Low
Integrity
None
None
Availability
None
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-05-15 CVE Reserved
  • 2025-05-30 CVE Published
  • 2025-06-05 EPSS Updated
  • 2025-06-13 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-1385: Missing Origin Validation in WebSockets
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Vercel
Search vendor "Vercel"
 Next.js
Search vendor "Vercel" for product "Next.js"
 >= 13.0.0 < 14.2.30
Search vendor "Vercel" for product "Next.js" and version " >= 13.0.0 < 14.2.30"
en
Affected
Vercel
Search vendor "Vercel"
 Next.js
Search vendor "Vercel" for product "Next.js"
 >= 15.0.0 < 15.2.2
Search vendor "Vercel" for product "Next.js" and version " >= 15.0.0 < 15.2.2"
en
Affected