MalwarePublished 13 Jul 2026Updated 24 Sep 2026

crazynut (npm) · Malicious Code

Affects crazynutSource GCVE Database

Malicious package : remove crazynut and rotate any secrets on hosts that installed it.

Data as of 26 Oct 2026, 15:56 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-10299

What to do

Remove crazynut 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
npmcrazynut	Affected =2.0.0 =1.1.2	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 'crazynut' contains malicious code or depends on a package with malicious code. Installing or running this package may lead to full compromise of the affected computer, potentially exposing all stored secrets and keys. Immediate removal of the package is recommended, and all secrets should be rotated from a separate, secure machine. However, removal of the package may not fully eliminate all malicious software introduced.

Impact

Systems with the 'crazynut' package installed are at critical risk of full compromise. Attackers may gain complete control over the affected computer, exposing all stored secrets and keys. This can lead to unauthorized access, data theft, and further malicious activities. The compromise is severe enough that secret rotation from a different, secure system is required to mitigate damage.

Defensive guidance

Remove the 'crazynut' package immediately from all affected systems. Rotate all secrets and keys stored on compromised machines from a separate, secure computer. Due to the possibility of persistent malicious software, consider conducting a full system investigation and remediation beyond package removal.

Summary

The 'crazynut' npm package has been identified as containing malicious code or relying on a malicious dependency. According to sources including Amazon Inspector and GitHub Security Advisories, any system with this package installed should be considered fully compromised. The malicious code may grant attackers full control over the system, necessitating secret rotation and package removal. Due to the potential for persistent compromise, simply uninstalling the package may not remove all malicious artifacts.

References

Community reviews

Loading reviews…

What to do

Affected software

Description

AI analysisMachine-generated, updated 12 Sep 2026, 17:47 UTC

Technical details

References

Community reviews