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VULNERABILITIES

CVE-2025-56648 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gist.github.com/R4356th/41f468def606b2406e36f7193f5322b8 [email protected]Exploit
https://github.com/parcel-bundler/parcel/commit/4bc56e3242a85491c7edf589966e9b44c6330c49 [email protected]
https://github.com/parcel-bundler/parcel/discussions/10089 [email protected]Issue Tracking
https://github.com/parcel-bundler/parcel/issues/10216 [email protected]ExploitIssue Tracking

Weakness Enumeration

CWE-IDCWE NameSource
CWE-346Origin Validation ErrorCISA-ADP

Affected Products

ProductVersions
parceljs parcel
<= 1.10.3
2.0.0 alpha0

CPE

  • cpe:2.3:a:parceljs:parcel:*:*:*:*:*:*:*:*
  • cpe:2.3:a:parceljs:parcel:2.0.0:alpha0:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-56648
NVD Published Date:
Sep 17, 2025
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]