MalwarePublished 13 Jul 2026

nottuff9 (npm) · Malicious Code

Affects nottuff9Source GCVE Database

Malicious package : remove nottuff9 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-2026-10360

What to do

Remove nottuff9 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
npmnottuff9	Affected =2.0.0 =1.7.7 =1.1.7	Fixed in–

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Description

The npm package 'nottuff9' contains malicious code that fully compromises any computer on which it is installed or running. Removal of the package does not guarantee elimination of all malicious software, as the attacker may have gained full control of the system. Immediate rotation of all secrets and keys stored on the affected computer is strongly advised, using a separate, uncompromised device.

Impact

Any system with the 'nottuff9' package installed or running should be considered fully compromised. Attackers may have obtained full control over the system, including access to stored secrets and keys. This level of compromise can lead to unauthorized access, data theft, and persistent malicious presence beyond the package itself.

Defensive guidance

Remove the 'nottuff9' package immediately. Rotate all secrets and keys stored on the compromised computer from a separate, secure device. Because the system may be fully controlled by an attacker, consider rebuilding or replacing the affected system to ensure complete remediation.

Summary

The 'nottuff9' package in the npm ecosystem is identified as malicious software. Installation or execution of this package results in full system compromise, potentially allowing an attacker complete control over the affected computer. Due to the severity of the compromise, simply uninstalling the package is insufficient to ensure system integrity. The advisory recommends immediate secret and key rotation from a different, secure machine to mitigate the risk of credential theft or misuse.

References

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What to do

Affected software

Description

AI analysisMachine-generated, updated 13 Jul 2026, 09:36 UTC

Technical details

References

Community reviews