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containedcritical

Malicious code in identitysecuretokenserv (npm)

The npm package identitysecuretokenserv version 10.0.0 was found to contain malicious code that communicates with domains associated with malicious activity and executes commands associated with malicious behavior. The package was identified as malicious by both Amazon Inspector and the OpenSSF Package Analysis project.

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Disclosed
Last updated
Blast radius
All users of identitysecuretokenserv npm package version 10.0.0 and potentially other versions
Ecosystems
Attack vectors
Affected entities
  • identitysecuretokenserv · 10.0.0

The npm package identitysecuretokenserv was identified as containing malicious code by multiple security sources. Amazon Inspector and the OpenSSF Package Analysis project both flagged version 10.0.0 as malicious.\n\nAccording to the OpenSSF Package Analysis findings, the package exhibits two key malicious behaviors: it communicates with a domain associated with malicious activity, and it executes one or more commands associated with malicious behavior. This indicates active post-installation compromise capabilities.\n\nThe package was published on GitHub's advisory system (GHSA-rqm7-j2qp-74f2) and credited to the OpenSSF malicious packages database. The incident was disclosed on 2026-07-27.

Indicators of compromise

Packages
  • identitysecuretokenserv@10.0.0

Remediation

  • Immediately remove identitysecuretokenserv from all projects and dependencies
  • Audit all systems where identitysecuretokenserv version 10.0.0 was installed for signs of compromise
  • Review network logs for connections to the malicious domain(s) identified by OpenSSF
  • Regenerate any credentials or secrets that may have been exposed on affected systems
  • Check npm audit and dependency trees for any transitive dependencies on this package
  • Monitor for any suspicious command execution or network activity on systems that installed this package

Sources

  1. GitHub Advisory GHSA-rqm7-j2qp-74f2 · GitHub Advisory Database

Cite this entry

"Malicious code in identitysecuretokenserv (npm)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 28, 2026. https://supplychainattack.org/incident/malicious-code-in-identitysecuretokenserv-npm-xxx6lu

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