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Malware in npm-sandbox-research-a1b2

Malware was discovered in the npm package npm-sandbox-research-a1b2. Systems with this package installed or running are considered fully compromised and require immediate remediation.

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Disclosed
Last updated
Blast radius
Any system with the package installed or running
Ecosystems
Attack vectors
Affected entities
  • npm-sandbox-research-a1b2

A malicious npm package named npm-sandbox-research-a1b2 was identified and published to the npm registry. The package contains 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 advisory recommends immediate rotation of all secrets and keys from a different, unaffected computer. While the package should be removed, complete removal of all malicious software cannot be guaranteed due to the level of system compromise.\n\nThis incident was disclosed via GitHub Advisory GHSA-jw25-p682-fhw6 on 2026-06-18.

Indicators of compromise

Packages
  • npm-sandbox-research-a1b2

Remediation

  • Immediately remove the npm-sandbox-research-a1b2 package from all systems
  • Rotate all secrets, API keys, and credentials from a different, unaffected computer
  • Assume full system compromise and conduct forensic analysis
  • Consider rebuilding affected systems from clean media
  • Audit all access logs and activity on affected systems for signs of unauthorized access

Sources

  1. GitHub Advisory GHSA-jw25-p682-fhw6 · GitHub Advisory Database

Cite this entry

"Malware in npm-sandbox-research-a1b2." 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-a1b2-1xm293

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