MalwarePublished 29 Jul 2026

test-skill-zip (npm) · Malicious Code

Affects test-skill-zipSource GCVE Database

Malicious package : remove test-skill-zip and rotate any secrets on hosts that installed it.

Data as of 30 Jul 2026, 07:21 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-11189

What to do

Remove test-skill-zip from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

Product	Affected	Fixed in
npmtest-skill-zip	Affected–	Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

The npm package 'test-skill-zip' contains malicious code that compromises any computer on which it is installed or run. Installation of this package can lead to full system compromise, including unauthorized access to secrets and keys stored on the affected machine. Removal of the package does not guarantee elimination of all malicious software introduced by it.

Impact

Full compromise of the affected computer, including potential unauthorized access to all secrets and keys stored on the system. The malicious package may install additional malware, making remediation difficult. The system's integrity and confidentiality are severely impacted.

Defensive guidance

Immediately remove the 'test-skill-zip' package from any affected systems. Rotate all secrets and keys stored on the compromised computer from a separate, trusted machine. Consider the affected system fully compromised and perform a thorough incident response, including potential system rebuilds.

Summary

The 'test-skill-zip' npm package is identified as malicious software. Any system with this package installed or running should be considered fully compromised. The package grants potential full control to an outside entity, risking exposure of all stored secrets and keys. Due to the nature of the compromise, simply uninstalling the package may not remove all malicious components introduced. There is no CVSS score or detailed technical exploit information available, but the advisory strongly warns of complete system compromise.

References

github.com/advisories/GHSA-qw86-6hcg-cj2j (opens in a new tab)

Community reviews

Loading reviews…

What to do

Affected software

Description

AI analysisMachine-generated, updated 30 Jul 2026, 07:21 UTC

Technical details

References

Community reviews