Malware in sort-btree
Malware was discovered in the npm package sort-btree, resulting in full system compromise for any computer with the package installed or running. All affected systems should be considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with sort-btree installed or running
- Ecosystems
- Attack vectors
- Affected entities
- sort-btree
The npm package sort-btree was found to contain malware. According to the GitHub Advisory (GHSA-wwvg-mj5j-mqx8), any computer that has this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised computer. 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 initial compromise, as the attacker may have gained full control of the system.\n\nAffected users should treat their systems as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- sort-btree
Remediation
- Immediately isolate affected systems from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the sort-btree package from all affected systems
- Perform a full forensic analysis and malware scan on affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system rebuild or replacement if compromise is confirmed
Sources
- GitHub Advisory GHSA-wwvg-mj5j-mqx8 · GitHub Advisory Database
Cite this entry
"Malware in sort-btree." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 17, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-sort-btree-1d26ve
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