MalwarePublished 13 Jul 2026

nottuff6 (npm) · Malicious Code

Affects nottuff6Source GCVE Database

Malicious package : remove nottuff6 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-2026-10358

What to do

Remove nottuff6 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
npmnottuff6	Affected =1.7.7 =2.0.0 =1.1.7	Fixed in–

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Description

The npm package 'nottuff6' contains malicious code that compromises any computer on which it is installed or running. Installation of this package results in full system compromise, potentially exposing all stored secrets and keys. Removal of the package does not guarantee elimination of all malicious components, as the attacker may have established persistent control over the system.

Impact

Full system compromise on any computer with the 'nottuff6' package installed. All secrets and keys stored on the compromised system are at risk and should be considered exposed. The attacker may maintain persistent access even after package removal, leading to ongoing security risks.

Defensive guidance

Remove the 'nottuff6' package immediately from all affected systems. Rotate all secrets and keys from a different, uncompromised computer. Conduct a thorough security assessment and consider rebuilding affected systems to ensure removal of all malicious components, as package removal alone does not guarantee full remediation.

Summary

The 'nottuff6' package in the npm ecosystem is identified as containing malicious code that fully compromises affected systems. According to the source advisory, any computer with this package installed should be considered fully compromised, necessitating immediate rotation of all secrets and keys from a separate, secure system. The package removal alone is insufficient to ensure system integrity due to potential persistent backdoors or additional malware installed by the attacker.

References

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What to do

Affected software

Description

AI analysisMachine-generated, updated 13 Jul 2026, 09:38 UTC

Technical details

References

Community reviews