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resolvedcritical

Malicious code in RSG.Base (NuGet)

Malicious code was discovered in the RSG.Base NuGet package. The incident was identified and documented by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Unknown; depends on RSG.Base adoption and which versions were malicious
Ecosystems
NuGet
Attack vectors
Compromised package
Affected entities
  • RSG.BaseNuGet package

A malicious code vulnerability was identified in the RSG.Base package on NuGet. The package was flagged as containing malicious code and documented in the OpenSSF's malicious packages repository.\n\nThe incident was disclosed on July 20, 2026, and credited to the OpenSSF. The specific malicious behavior and affected versions are referenced in the OpenSSF malicious packages database (MAL-2024-4633).\n\nUsers of RSG.Base should immediately audit their dependencies and remove or update to a patched version if available.

Indicators of compromise

Packages
  • RSG.Base

Remediation

  • Remove or uninstall the affected RSG.Base package from your projects
  • Audit your codebase for any suspicious behavior or unauthorized access that may have resulted from the malicious package
  • Update to a clean version of RSG.Base if a patched release is available
  • Review the OpenSSF malicious packages database (MAL-2024-4633) for specific details on the malicious behavior
  • Consider using dependency scanning tools to detect similar compromised packages in your supply chain

Sources

  1. GitHub Advisory GHSA-5f24-chjf-qwq4 · GitHub Advisory Database

Cite this entry

"Malicious code in RSG.Base (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-rsg-base-nuget-gtcxaa

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