Malware in @mastra/loggers
Malware was discovered in the npm package @mastra/loggers. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with @mastra/loggers installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @mastra/loggers
A critical malware incident was identified in the npm package @mastra/loggers. According to the GitHub Advisory (GHSA-f2m2-jq59-rvfm), 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, uncompromised system. While the malicious 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 package distribution, affecting all users who installed or ran the affected package.
Indicators of compromise
- Packages
- @mastra/loggers
Remediation
- Immediately isolate any system that has @mastra/loggers installed or running
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the @mastra/loggers package from all affected systems
- Conduct a full security audit and malware scan of affected systems
- Review system logs and access patterns for signs of unauthorized activity
- Monitor for any suspicious activity or data exfiltration from affected systems
Sources
- GitHub Advisory GHSA-f2m2-jq59-rvfm · GitHub Advisory Database
Cite this entry
"Malware in @mastra/loggers." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 17, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-mastra-loggers-632bdk
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