Malware in polymarket-stake-kelly-math-check
The npm package polymarket-stake-kelly-math-check contained malware that fully compromises any system on which it is installed or running. GitHub Security Advisory GHSA-w387-g22r-3pw7 was published on 2026-07-13.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- polymarket-stake-kelly-math-check
The npm package polymarket-stake-kelly-math-check was found to contain malware. According to the GitHub Security Advisory, 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 package should be removed, the advisory notes that full control of the computer may have been given to an outside entity, meaning removal of the package alone may not eliminate all malicious software that resulted from the installation.\n\nThe package has been flagged with critical severity due to the complete system compromise it enables.
Indicators of compromise
- Packages
- polymarket-stake-kelly-math-check
Remediation
- Immediately isolate any computer that has installed or run polymarket-stake-kelly-math-check from the network
- From a different, uncompromised computer, rotate all secrets, keys, and credentials that may have been stored on the affected system
- Remove the polymarket-stake-kelly-math-check package from the affected system
- Perform a full security audit and malware scan of the affected system
- Consider rebuilding the affected system from a clean state if critical secrets were exposed
- Review npm package installation logs to identify when the malicious package was installed and what other packages or systems may have been affected
Sources
- GitHub Advisory GHSA-w387-g22r-3pw7 · GitHub Advisory Database
Cite this entry
"Malware in polymarket-stake-kelly-math-check." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 13, 2026; last updated July 13, 2026. https://supplychainattack.org/incident/malware-in-polymarket-stake-kelly-math-check-1k2pty
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