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resolvedcritical

Malicious code in Stl.Generators.Net (NuGet)

Malicious code was discovered in the Stl.Generators.Net NuGet package. The incident was identified and documented by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Developers and applications using affected versions of Stl.Generators.Net
Ecosystems
NuGet
Attack vectors
Compromised package
Affected entities
  • Stl.Generators.NetNuGet package

A malicious code vulnerability was identified in the Stl.Generators.Net package distributed via NuGet. The package was flagged as containing malicious code and documented in the OpenSSF's malicious packages repository.\n\nThe incident was credited to the OpenSSF (Open Source Security Foundation) and tracked under identifier MAL-2024-4659. The advisory was published on GitHub's security advisory database (GHSA-h4g9-qmpr-449c).\n\nDevelopers who installed affected versions of this package should remove it and audit their systems for any potential compromise.

Indicators of compromise

Packages
  • Stl.Generators.Net

Remediation

  • Remove Stl.Generators.Net from affected projects immediately
  • Audit systems and applications that may have used the malicious package
  • Review build artifacts and deployments created with the compromised package
  • Monitor for any suspicious activity or unauthorized access
  • Update to a clean version if the package is still needed, or identify alternative solutions

Sources

  1. GitHub Advisory GHSA-h4g9-qmpr-449c · GitHub Advisory Database

Cite this entry

"Malicious code in Stl.Generators.Net (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-stl-generators-net-nuget-173oro

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