Malware in ts-bn-proto
Malware was discovered in the npm package ts-bn-proto. Systems with this package installed are considered fully compromised and require immediate remediation including secret rotation and package removal.
- Disclosed
- Last updated
- Blast radius
- Any system with ts-bn-proto installed or running
- Ecosystems
- Attack vectors
- Affected entities
- ts-bn-proto
A malware incident was identified in the npm package ts-bn-proto, published on GitHub advisories (GHSA-wxpc-r4jx-9jrw). The advisory indicates that any computer with this package installed or running should be considered fully compromised.\n\nAccording to the advisory, all secrets and keys stored on affected computers should be rotated immediately from a different, uncompromised system. The package should be removed, though the advisory notes that full control of the computer may have been granted to an outside entity, meaning removal of the package alone may not eliminate all malicious software introduced by the installation.\n\nThis represents a critical supply chain compromise affecting npm ecosystem users who installed or ran this package.
Indicators of compromise
- Packages
- ts-bn-proto
Remediation
- Immediately rotate all secrets and keys stored on affected computers from a different, uncompromised system
- Remove the ts-bn-proto package from all affected systems
- Conduct a full security audit of any system that had ts-bn-proto installed, as complete removal of malicious software may not be guaranteed
- Review system logs and network activity for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the compromise is suspected to be severe
Sources
- GitHub Advisory GHSA-wxpc-r4jx-9jrw · GitHub Advisory Database
Cite this entry
"Malware in ts-bn-proto." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 29, 2026; last updated July 29, 2026. https://supplychainattack.org/incident/malware-in-ts-bn-proto-a8j0e9
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