Malicious code in win-build-utils (npm)
Description
The npm package 'win-build-utils' version 1.0.0 is flagged as potentially malicious based on its name suggesting a Windows build helper utility. However, no concrete evidence of malicious behavior such as exfiltration, credential access, or install-time fetching was observed. The package requires human review to determine its intent and contents before a definitive security verdict can be made.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The package 'win-build-utils' (npm ecosystem) version 1.0.0 is suspected of containing malicious code due to its classification as a malicious package (MAL-2026-10905) and an associated advisory (GHSA-7ffq-88v5-rmwc). Despite this classification, dynamic or behavioral analysis did not reveal any attack-class behaviors such as data exfiltration, credential theft, or network fetches during installation. The source data from Amazon Inspector indicates no concrete evidence of installer-side risk, but the package is flagged for manual review to confirm its contents and intent.
Potential Impact
No observed malicious activity or exploitation behavior has been confirmed. There is no evidence of data exfiltration, credential compromise, or other attack vectors in the analyzed version. The impact remains uncertain pending further human review.
Mitigation Recommendations
Since no definitive malicious behavior has been confirmed, and no patch or fix is available, it is recommended to avoid using the package until a thorough manual review is completed. Monitor vendor or security advisories for updates. No official fix or remediation guidance is currently provided.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-10905
- Osv Schema Version
- 1.7.4
- Aliases
- ["GHSA-7ffq-88v5-rmwc"]
- Ecosystems
- ["npm"]
Threat ID: 6a96f316acd9273b49e4935c
Added to database: 09/01/2026, 15:45:26 UTC
Last enriched: 09/08/2026, 15:08:15 UTC
Last updated: 10/01/2026, 22:40:10 UTC
Views: 36
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