Malware in crypto-base58
The npm package crypto-base58 was compromised and contains malware. Systems with this package installed are considered fully compromised and all secrets and keys should be rotated immediately from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- crypto-base58
The npm package crypto-base58 has been identified as containing malware. According to the GitHub Advisory (GHSA-frf3-wxv2-p559), any computer with 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, unaffected 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 package compromise.\n\nThis represents a critical supply chain attack through a compromised npm package with potential for complete system compromise.
Indicators of compromise
- Packages
- crypto-base58
Remediation
- Immediately isolate any computer with crypto-base58 installed from the network
- Rotate all secrets, keys, and credentials from a different, unaffected computer
- Remove the crypto-base58 package from all affected systems
- Conduct a full security audit and malware scan of affected systems
- Review all access logs and activity on affected systems for signs of unauthorized access
- Consider the affected systems as potentially fully compromised and plan for complete rebuild if critical systems are involved
Sources
- GitHub Advisory GHSA-frf3-wxv2-p559 · GitHub Advisory Database
Cite this entry
"Malware in crypto-base58." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 7, 2026; last updated July 7, 2026. https://supplychainattack.org/incident/malware-in-crypto-base58-1nm6j1
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