Malware in @ncurran/sandbox-recon-sys-5f1b
Malware discovered in the npm package @ncurran/sandbox-recon-sys-5f1b. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @ncurran/sandbox-recon-sys-5f1b
A malicious npm package, @ncurran/sandbox-recon-sys-5f1b, has been identified as containing malware. Systems with this package installed or running are considered fully compromised.\n\nAccording to the advisory, the compromise is severe enough that all secrets and keys stored on affected computers should be rotated immediately from a different, unaffected system. While 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 package's execution.\n\nThis incident was disclosed on 2026-06-18 via GitHub Security Advisory GHSA-v27g-px49-r9w8.
Indicators of compromise
- Packages
- @ncurran/sandbox-recon-sys-5f1b
Remediation
- Immediately remove the @ncurran/sandbox-recon-sys-5f1b package from all systems
- Rotate all secrets, API keys, and credentials from a different, unaffected computer
- Assume full system compromise and conduct forensic analysis
- Monitor affected systems for signs of persistent malware or backdoors
- Review system logs for unauthorized access or data exfiltration
Sources
- GitHub Advisory GHSA-v27g-px49-r9w8 · GitHub Advisory Database
Cite this entry
"Malware in @ncurran/sandbox-recon-sys-5f1b." 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-5f1b-10hs6g
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