Malware in epic-internal-tools
Malware was discovered in the npm package epic-internal-tools. Systems with this package installed or running should be considered fully compromised, with all secrets and keys requiring immediate rotation from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- epic-internal-tools
The npm package epic-internal-tools was found to contain malware. According to the GitHub Advisory (GHSA-wx8q-h5p5-9hcf), any computer with this package installed or running should be considered fully compromised.\n\nImmediate action is required: all secrets and keys stored on affected computers must be rotated immediately from a different, uncompromised system. 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 package installation, given that the outside entity may have gained full control of the system.\n\nThis is a critical supply chain incident affecting the npm ecosystem.
Indicators of compromise
- Packages
- epic-internal-tools
Remediation
- Immediately rotate all secrets and keys stored on computers that had epic-internal-tools installed, using a different uncompromised computer
- Remove the epic-internal-tools package from all affected systems
- Conduct a full forensic analysis of any system that had the package installed to identify additional malicious software
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical systems are involved
Sources
- GitHub Advisory GHSA-wx8q-h5p5-9hcf · GitHub Advisory Database
Cite this entry
"Malware in epic-internal-tools." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 10, 2026; last updated July 10, 2026. https://supplychainattack.org/incident/malware-in-epic-internal-tools-0s3gf5
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- resolvedcritical
Malicious code in autbank-core (npm)
The npm package autbank-core contained malicious preinstall and postinstall lifecycle hooks that exfiltrated environment variables, credentials, and system information to a hardcoded webhook.site endpoint during installation.
npmCompromised package - resolvedcritical
Malicious code in adxaa (npm)
The npm package adxaa contained obfuscated malicious JavaScript designed to target users of a specific WordPress site. The payload exfiltrates session data, deletes accounts, and hijacks credentials via email overwrite and password reset.
npmCompromised package - resolvedcritical
Malicious code in upload-to-gcp (npm)
upload-to-gcp@3.2.1 (npm) contains malicious code in its postinstall script that exfiltrates host identifiers to an attacker-controlled endpoint. The package masquerades as a Google Cloud Platform utility but performs unauthorized telemetry collection at install time.
npmCompromised package - resolvedcritical
Malicious code in akamai-sensor (npm)
A malicious npm package named akamai-sensor impersonated Akamai's legitimate sensor_data anti-bot SDK. The package contained hidden JavaScript code concealed using invisible Unicode characters and implemented a dynamic command-and-control channel via a Google Calendar dead-drop, enabling arbitrary code execution on installation.
npmCompromised packageTyposquatting