Malware in npm-sandbox-research-c5d6
Malware was distributed via the npm package npm-sandbox-research-c5d6. Any computer with this package installed or running should be considered fully compromised, with all secrets and keys requiring immediate rotation from a different system.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- npm-sandbox-research-c5d6
A malicious npm package named npm-sandbox-research-c5d6 was identified and published to the npm registry. The package contained malware that grants full control of affected systems to an outside entity.\n\nAny computer that has this package installed or running should be considered fully compromised. All secrets, keys, and credentials stored on affected systems should be rotated immediately from a different, uncompromised computer.\n\nWhile the package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the initial compromise. A full security audit and potential system rebuild may be necessary for affected systems.\n\nThe advisory was published on 2026-06-18 via GitHub Security Advisory GHSA-54f7-37vp-p38f.
Indicators of compromise
- Packages
- npm-sandbox-research-c5d6
Remediation
- Immediately remove the npm-sandbox-research-c5d6 package from all systems
- Rotate all secrets, keys, and credentials from a different, uncompromised computer
- Conduct a full security audit of any system that had this package installed
- Consider rebuilding affected systems from clean media
- Monitor for any signs of unauthorized access or persistence mechanisms
- Review system logs for any suspicious activity during the period the package was installed
Sources
- GitHub Advisory GHSA-54f7-37vp-p38f · GitHub Advisory Database
Cite this entry
"Malware in npm-sandbox-research-c5d6." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 18, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-npm-sandbox-research-c5d6-1mgley
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- resolvedcritical
Malicious code in test2221 (npm)
The npm package test2221 version 2.2.4 was identified as malicious by the OpenSSF Package Analysis project. The package executes commands associated with malicious behavior.
npmCompromised package - containedcritical
Malware in n8n-nodes-trust-me-im-totally-safe
Malware was discovered in the npm package n8n-nodes-trust-me-im-totally-safe, resulting in full system compromise for any computer with the package installed or running. All secrets and keys on affected systems should be rotated immediately from a different computer.
npmCompromised package - activecritical
Malware in litespeed-cache
Malware discovered in the npm package litespeed-cache. The package grants full system compromise to attackers, requiring immediate removal and credential rotation from a clean system.
npmCompromised package - containedcritical
Malware in open-worker-cli
Malware was discovered in the npm package open-worker-cli. Systems with this package installed or running should be considered fully compromised, with all secrets and keys requiring immediate rotation from a different computer.
npmCompromised package