Malware in ts-lint-builders
Malware was discovered in the npm package ts-lint-builders. Systems with this package installed or running should be considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with ts-lint-builders installed or executed
- Ecosystems
- Attack vectors
- Affected entities
- ts-lint-builders
The npm package ts-lint-builders was found to contain malware. According to the GitHub Advisory (GHSA-5mvf-x573-2gv4), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends immediate action: all secrets and keys stored on affected computers should be rotated from a different, uncompromised system. While the malicious 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 compromise.\n\nThis represents a critical supply chain attack through a compromised npm package with potential for complete system takeover.
Indicators of compromise
- Packages
- ts-lint-builders
Remediation
- Immediately isolate any system that has ts-lint-builders installed or has executed it
- Rotate all secrets, API keys, credentials, and signing keys from a different, uncompromised computer
- Remove the ts-lint-builders package from all affected systems
- Conduct a full forensic analysis of affected systems to identify any additional malicious software
- Review all code commits and deployments made from affected systems for potential tampering
- Monitor for any unauthorized access or activity on accounts that may have been compromised
Sources
- GitHub Advisory GHSA-5mvf-x573-2gv4 · GitHub Advisory Database
Cite this entry
"Malware in ts-lint-builders." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 6, 2026; last updated July 6, 2026. https://supplychainattack.org/incident/malware-in-ts-lint-builders-xij2uh
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