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Malicious code in classwind-utils (npm)

0
Critical
Published: 06/08/2026 (06/08/2026, 09:36:44 UTC)
Source: GCVE Database
Product: classwind-utils

Description

The npm package 'classwind-utils' versions 1.0.0 and 1.0.1 contain malicious code or depend on a malicious package. Installing or running this package can lead to full compromise of the affected system. Secrets and keys stored on the compromised system should be rotated immediately from a different, secure machine. Simply removing the package may not eliminate all malicious software introduced by it.

Affected software

npmghsa
classwind-utils
Affected versions
=1.0.0=1.0.1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/09/2026, 10:07:25 UTC

Technical Analysis

The 'classwind-utils' npm package versions 1.0.0 and 1.0.1 have been identified as containing malicious code or relying on a dependency that contains malicious code. According to the source data from amazon-inspector and ghsa-malware, any system with this package installed or running should be considered fully compromised. The malicious code presence implies that attackers may have gained full control over the affected system, necessitating immediate secret rotation and comprehensive remediation steps beyond just package removal.

Potential Impact

Systems with 'classwind-utils' versions 1.0.0 or 1.0.1 installed or running are considered fully compromised. Attackers may have gained full control, risking exposure of all secrets and keys stored on the system. Removal of the package alone does not guarantee elimination of all malicious artifacts or backdoors introduced by the package.

Mitigation Recommendations

Remove the 'classwind-utils' package versions 1.0.0 and 1.0.1 immediately. Rotate all secrets and keys that were stored on the compromised system using a different, secure machine. Conduct a thorough investigation and remediation of the affected system to ensure all malicious software is eradicated. There is no known patch or fixed version; therefore, avoid using this package until a safe version is released.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
MAL-2026-5307
Osv Schema Version
1.7.4
Aliases
["GHSA-ghrw-2645-5c47"]
Ecosystems
["npm"]
Database Specific Severity
null
Cvss Version
null

Threat ID: 6a4f6c7068715ace4315aa3b

Added to database: 07/09/2026, 09:40:00 UTC

Last enriched: 07/09/2026, 10:07:25 UTC

Last updated: 07/29/2026, 07:19:47 UTC

Views: 6

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