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Medium severity6.5NVD Advisory· Published Sep 17, 2025· Updated Jun 17, 2026

CVE-2025-56648

CVE-2025-56648

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
@parcel/reporter-dev-servernpm
>= 1.6.1, < 2.16.42.16.4

Affected products

4
  • Parceljs/Parcel2 versions
    cpe:2.3:a:parceljs:parcel:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:parceljs:parcel:*:*:*:*:*:*:*:*range: <=1.10.3
    • cpe:2.3:a:parceljs:parcel:2.0.0:alpha0:*:*:*:*:*:*
  • npm/parceldescription
  • ghsa-coords
    pkg:npm/%40parcel/reporter-dev-server
    Range: >= 1.6.1, < 2.16.4

Patches

Vulnerability mechanics

References

7

News mentions

0

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