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containedcritical

Malware in @ncurran/sandbox-recon-sys-5b2c

Malware was discovered in the npm package @ncurran/sandbox-recon-sys-5b2c. Systems with this package installed 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
  • @ncurran/sandbox-recon-sys-5b2c

A malicious npm package, @ncurran/sandbox-recon-sys-5b2c, was identified and published on GitHub's advisory database. 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 on 2026-06-18 via GitHub's security advisory system.

Indicators of compromise

Packages
  • @ncurran/sandbox-recon-sys-5b2c

Remediation

  • Immediately identify all systems with @ncurran/sandbox-recon-sys-5b2c installed
  • Rotate all secrets, API keys, and credentials from a different, unaffected computer
  • Remove the package from all affected systems
  • Perform a full security audit and malware scan on compromised systems
  • Consider full system reimaging if complete compromise is suspected
  • Review access logs and audit trails for unauthorized activity during the period the package was installed

Sources

  1. GitHub Advisory GHSA-qqj4-fh9f-5v33 · GitHub Advisory Database

Cite this entry

"Malware in @ncurran/sandbox-recon-sys-5b2c." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 18, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-ncurran-sandbox-recon-sys-5b2c-1eyyl9

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