Malware in tailwind-core
Malware was distributed via the npm package tailwind-core. Systems with the package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the malicious tailwind-core package installed
- Ecosystems
- Attack vectors
- Affected entities
- tailwind-corenpm package
A malicious version of the npm package tailwind-core was published and distributed to users. The package contained malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The malware may have established persistence mechanisms that could survive package removal.\n\nImmediate action is required: all secrets, keys, and credentials stored on affected systems must be rotated from a different, uncompromised computer. The package should be removed, though removal alone may not eliminate all malicious artifacts.
Indicators of compromise
- Packages
- tailwind-core
Remediation
- Immediately remove the tailwind-core package from all affected systems
- Rotate all secrets, API keys, credentials, and tokens from a different, uncompromised computer
- Perform a full security audit and malware scan of affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected systems compromised and plan for full rebuild if critical infrastructure
- Monitor for any lateral movement or persistence mechanisms installed by the malware
Sources
- GitHub Advisory GHSA-m6r5-49q4-pv25 · GitHub Advisory Database
Cite this entry
"Malware in tailwind-core." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 9, 2026; last updated July 9, 2026. https://supplychainattack.org/incident/malware-in-tailwind-core-hqj244
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