Malware in comos-sdk
Malware was discovered in the npm package comos-sdk, resulting in full system compromise for any installation. The package should be removed and all secrets and keys rotated from a clean system.
- Disclosed
- Last updated
- Blast radius
- Any system with comos-sdk installed or running
- Ecosystems
- Attack vectors
- Affected entities
- comos-sdk
A malware-laden version of the npm package comos-sdk was identified and published to the npm registry. Installation or execution of this package grants an outside entity full control of the affected computer.\n\nAny system with comos-sdk installed or running should be considered fully compromised. All secrets, keys, and credentials stored on affected systems must be rotated immediately from a different, uncompromised computer.\n\nWhile the package should be removed, complete remediation cannot be guaranteed due to the potential for persistent malicious software to remain on the system after package removal.\n\nThe incident was disclosed via GitHub Advisory GHSA-xr7v-2mxc-cw5x on 2026-06-09.
Indicators of compromise
- Packages
- comos-sdk
Remediation
- Immediately remove the comos-sdk package from all systems
- Rotate all secrets, keys, and credentials from a clean, uncompromised computer
- Assume full system compromise and conduct forensic analysis
- Monitor affected systems for signs of persistent malware or unauthorized access
- Review system logs for any suspicious activity during the period comos-sdk was installed
Sources
- GitHub Advisory GHSA-xr7v-2mxc-cw5x · GitHub Advisory Database
Cite this entry
"Malware in comos-sdk." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 9, 2026; last updated June 9, 2026. https://supplychainattack.org/incident/malware-in-comos-sdk-15vzh4
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