MalwarePublished 26 Jun 2026Updated 8 Jul 2026

tw-style-utils (npm) · Malicious Code

Affects tw-style-utilsSource GCVE Database

Malicious package : remove tw-style-utils and rotate any secrets on hosts that installed it.

Data as of 26 Oct 2026, 15:55 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-6508

What to do

Remove tw-style-utils 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
npmtw-style-utils	Affected =0.7.1 =0.7.0	Fixed in–

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Description

The npm package 'tw-style-utils' contains malicious code that compromises any computer on which it is installed or running. Installation of this package may result in full system compromise, including potential unauthorized access to secrets and keys stored on the affected machine. Removal of the package does not guarantee elimination of all malicious software introduced. Immediate rotation of all secrets and keys from a different, uncompromised computer is strongly advised.

Impact

Systems with the 'tw-style-utils' package installed are at risk of full compromise, including unauthorized access to stored secrets and keys. This can lead to significant security breaches and loss of confidentiality. The presence of this package indicates a high likelihood of malicious activity on the affected system.

Defensive guidance

Remove the 'tw-style-utils' package immediately from all affected systems. Rotate all secrets and keys that were stored on the compromised machines using a separate, trusted computer. Because the system may remain compromised even after removal, consider performing a full system audit or rebuild to ensure all malicious components are eradicated.

Summary

The 'tw-style-utils' package in the npm ecosystem is identified as containing malicious code. According to the source advisory, any system with this package installed should be considered fully compromised. The malicious code may provide attackers with full control over the affected computer, risking exposure of sensitive information such as secrets and keys. Due to the potential persistence of malicious software beyond the package itself, simply uninstalling the package may not fully remediate the compromise.

References

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What to do

Affected software

Description

AI analysisMachine-generated, updated 26 Jun 2026, 22:34 UTC

Technical details

References

Community reviews