MalwarePublished 14 Nov 2025Updated 17 Nov 2025

tailwindcss-setflex (npm) · Malicious Code

Affects tailwindcss-setflexSource GCVE Database

Malicious package : remove tailwindcss-setflex and rotate any secrets on hosts that installed it.

Data as of 13 Nov 2026, 19:30 UTC

Classification

Malicious package

Published to npm · OSV MAL-2025-190497

What to do

Remove tailwindcss-setflex 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
npmtailwindcss-setflex	Affected–	Fixed in–

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Description

The npm package tailwindcss-setflex contains malicious code that compromises any computer on which it is installed or running. The compromise is severe enough that all secrets and keys stored on the affected system should be rotated immediately from a different, clean device. Removing the package alone may not fully remove the malicious presence, as the attacker may have gained full control of the system.

Impact

Any system with the tailwindcss-setflex package installed or running should be considered fully compromised. Attackers may have obtained full control over the system, risking exposure of all stored secrets and keys. This represents a critical security breach with potential for extensive data loss and unauthorized access.

Defensive guidance

Remove the tailwindcss-setflex package immediately. Rotate all secrets and keys stored on the compromised system from a separate, secure computer. Because full system compromise is likely, consider rebuilding or thoroughly cleaning the affected system to ensure removal of all malicious software.

Summary

The npm package tailwindcss-setflex has been identified as containing malicious code. Installation or execution of this package results in a full compromise of the affected computer. The malicious code may allow an attacker to gain complete control over the system, potentially accessing sensitive information such as secrets and keys. Due to the severity of the compromise, simply uninstalling the package does not guarantee removal of all malicious artifacts or backdoors. Immediate rotation of all credentials from a secure environment is advised.

References

github.com/advisories/GHSA-rf9v-4rc9-33wg (opens in a new tab)

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What to do

Affected software

Description

AI analysisMachine-generated, updated 13 Nov 2026, 19:30 UTC

Technical details

References

Community reviews