Malware in @mastra/react
Malware was discovered in the npm package @mastra/react. 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/react
A critical malware incident was identified in the npm package @mastra/react, published via GitHub Advisory GHSA-v5vm-xv73-6x64 on June 17, 2026.\n\nAny computer with this package installed or running should be considered fully compromised. The malware may have granted outside entities full control of affected systems.\n\nImmediate remediation requires rotating all secrets and keys 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 compromise.\n\nUsers should assume complete system compromise and take appropriate defensive measures.
Indicators of compromise
- Packages
- @mastra/react
Remediation
- Immediately rotate all secrets, keys, and credentials from a different, uncompromised computer
- Remove the @mastra/react package from all affected systems
- Conduct a full security audit of any system that had this package installed
- Monitor affected systems for signs of persistent malware or unauthorized access
- Consider full system reimaging if complete compromise is suspected
- Review and revoke any API keys, tokens, or credentials that may have been exposed
Sources
- GitHub Advisory GHSA-v5vm-xv73-6x64 · GitHub Advisory Database
Cite this entry
"Malware in @mastra/react." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 17, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-mastra-react-6mhhoj
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