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Malware in ts-escrow

Malware was discovered in the ts-escrow npm package. Systems with the package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a clean system.

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Disclosed
Last updated
Blast radius
Any system with ts-escrow installed or running
Ecosystems
Attack vectors
Affected entities
  • ts-escrownpm package

The ts-escrow npm package was found to contain malware. According to the GitHub advisory, 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. The malicious package should be removed, though full system compromise means there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the initial compromise.\n\nThe advisory was published on 2026-07-27 via GitHub's security advisory system.", <parameter name="remediation">["Immediately rotate all secrets, API keys, and credentials from a clean, uncompromised computer", "Remove the ts-escrow package from all affected systems", "Perform a full security audit and malware scan of any system that had ts-escrow installed", "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"]

Indicators of compromise

Packages
  • ts-escrow

Remediation

  • Review the linked advisory; remove or upgrade the affected component and rotate any exposed credentials.

Sources

  1. GitHub Advisory GHSA-fjgh-3fjv-prm3 · GitHub Advisory Database

Cite this entry

"Malware in ts-escrow." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 27, 2026. https://supplychainattack.org/incident/malware-in-ts-escrow-11gxq2

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