Malware in polymarket-onchain-sdk
Malware was discovered in the polymarket-onchain-sdk npm package. Systems with the package installed 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
- polymarket-onchain-sdknpm package
The polymarket-onchain-sdk npm package was found to contain malware. According to the advisory, any computer with this package installed or running should be considered fully compromised, with all secrets and keys potentially exposed to an outside entity.\n\nThe malware grants full control of affected systems to an external threat actor. While removing the package is recommended, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the initial compromise.\n\nAffected users should immediately rotate all secrets and keys from a different, uncompromised computer and remove the package from their systems.
Indicators of compromise
- Packages
- polymarket-onchain-sdk
Remediation
- Immediately rotate all secrets, keys, and credentials from a different, uncompromised computer
- Remove the polymarket-onchain-sdk package from all affected systems
- Audit system logs for unauthorized access or activity
- Consider full system reimaging if the package was installed on production or sensitive systems
- Review and revoke any API tokens or authentication credentials that may have been exposed
Sources
- GitHub Advisory GHSA-89w2-qgj2-9f2w · GitHub Advisory Database
Cite this entry
"Malware in polymarket-onchain-sdk." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 6, 2026; last updated July 6, 2026. https://supplychainattack.org/incident/malware-in-polymarket-onchain-sdk-fwajsn
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