Malware in @mastra/github-signals
Malware was discovered in the npm package @mastra/github-signals. Systems with this package installed or running are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @mastra/github-signals
A critical malware incident was identified in the npm package @mastra/github-signals. According to the GitHub Advisory (GHSA-8xrc-83hr-5q5m), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory indicates that the malicious package may have granted outside entities full control of affected systems. All secrets and keys stored on compromised computers should be rotated immediately from a different, unaffected system.\n\nWhile 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 compromise. Complete system remediation and security review is recommended.
Indicators of compromise
- Packages
- @mastra/github-signals
Remediation
- Immediately remove the @mastra/github-signals package from all systems
- Rotate all secrets, API keys, and credentials stored on affected computers from a different, unaffected system
- Conduct a full security audit and malware scan of any system that had this package installed or running
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if complete compromise is suspected
- Monitor for any suspicious activity on accounts or systems that may have been affected
Sources
- GitHub Advisory GHSA-8xrc-83hr-5q5m · GitHub Advisory Database
Cite this entry
"Malware in @mastra/github-signals." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 17, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-mastra-github-signals-c08x2f
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