CVE-2025-56648
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-17

Last updated on: 2025-09-26

Assigner: MITRE

Description
npm parcel 2.0.0-alpha and before has an Origin Validation Error vulnerability. Malicious websites can send XMLHTTPRequests to the application's development server and read the response to steal source code when developers visit them.
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Meta Information
Published
2025-09-17
Last Modified
2025-09-26
Generated
2026-06-16
AI Q&A
2025-09-17
EPSS Evaluated
2026-06-15
NVD
CVE-2025-56648
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
parceljs parcel to 1.10.3 (inc)
parceljs parcel 2.0.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-346 The product does not properly verify that the source of data or communication is valid.
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Executive Summary

This vulnerability exists in npm parcel version 2.0.0-alpha and earlier, where an Origin Validation Error allows malicious websites to send XMLHTTPRequests to the application's development server. This enables attackers to read the server's responses and steal source code when developers visit these malicious websites.

Impact Analysis

The vulnerability can lead to unauthorized access to your application's source code by attackers, potentially exposing sensitive information, intellectual property, and increasing the risk of further attacks or exploitation.

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