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resolvedcritical

Malicious code in epic-sso (npm)

The npm package epic-sso was found to contain malicious code. The package was identified by Amazon Inspector and reported through the OpenSSF malicious packages database.

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Disclosed
Last updated
Blast radius
All users of the epic-sso npm package
Ecosystems
npm
Attack vectors
Compromised package
Affected entities
  • epic-ssonpm package containing malicious code

The npm package epic-sso was identified as containing malicious code. The discovery was made by Amazon Inspector and reported through the OpenSSF malicious packages database (MAL-2025-49192).\n\nThe malicious package was published on npm and could affect any user who installed or used epic-sso. The package has been flagged in the official OpenSSF malicious packages repository.\n\nUsers should immediately remove the epic-sso package from their projects and audit their systems for any compromise.

Indicators of compromise

Packages
  • epic-sso

Remediation

  • Remove the epic-sso package from all projects immediately
  • Audit systems for any signs of compromise or malicious activity
  • Review npm package.lock or yarn.lock files to identify all affected dependencies
  • Consider rotating any credentials or secrets that may have been exposed
  • Monitor for any suspicious activity in systems that had epic-sso installed

Sources

  1. GitHub Advisory GHSA-cwhw-mm6w-rcj2 · GitHub Advisory Database

Cite this entry

"Malicious code in epic-sso (npm)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 17, 2026; last updated August 17, 2026. https://supplychainattack.org/incident/malicious-code-in-epic-sso-npm-vaq3xe

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