Malware in @doaction/wasm-loader
Malware was discovered in the npm package @doaction/wasm-loader. Systems with this package installed or running are considered fully compromised, with potential for complete system takeover.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @doaction/wasm-loader
A critical malware incident was identified in the npm package @doaction/wasm-loader. According to the GitHub Advisory (GHSA-54mr-v524-rmw6), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory indicates that the malicious package grants 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 removal of the package is recommended, there is no guarantee that uninstalling it will remove all malicious software that may have been deployed during the compromise. A complete security audit and potential system rebuild may be necessary for affected systems.
Indicators of compromise
- Packages
- @doaction/wasm-loader
Remediation
- Immediately isolate any system with @doaction/wasm-loader installed from the network
- Rotate all secrets, API keys, and credentials from a different, unaffected computer
- Remove the @doaction/wasm-loader package from all systems
- Conduct a full security audit of affected systems for additional malware or persistence mechanisms
- Consider complete system rebuild or forensic analysis if the package was installed on production or sensitive systems
- Review access logs and audit trails for any unauthorized activity during the period the package was installed
Sources
- GitHub Advisory GHSA-54mr-v524-rmw6 · GitHub Advisory Database
Cite this entry
"Malware in @doaction/wasm-loader." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 9, 2026; last updated June 9, 2026. https://supplychainattack.org/incident/malware-in-doaction-wasm-loader-1r883x
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