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resolvedcritical

Malicious code in Rimworld.Reference.Libary (NuGet)

Malicious code was discovered in multiple versions of the Rimworld.Reference.Libary NuGet package. The package was compromised and distributed via the NuGet package registry.

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Disclosed
Last updated
Blast radius
All users who installed affected versions of Rimworld.Reference.Libary from NuGet
Ecosystems
Attack vectors
Affected entities
  • Rimworld.Reference.LibaryNuGet package

A supply chain attack was identified targeting the Rimworld.Reference.Libary package on NuGet. Multiple versions of the package contained malicious code, indicating a compromised package distribution incident.\n\nThe vulnerability was disclosed on July 20, 2026, and credited to the OpenSSF malicious packages project, which tracks and catalogs known malicious packages across package ecosystems.\n\nUsers who installed affected versions of Rimworld.Reference.Libary from NuGet are at risk of executing the embedded malicious code in their applications.

Indicators of compromise

Packages
  • Rimworld.Reference.Libary

Remediation

  • Remove or uninstall all versions of Rimworld.Reference.Libary from affected projects
  • Audit project dependencies and build artifacts for any signs of compromise
  • Review application logs and system activity for suspicious behavior during the period when the malicious package was installed
  • Update to a patched or alternative version if available from a trusted source
  • Consider scanning systems that built or ran applications using the compromised package

Sources

  1. GitHub Advisory GHSA-4qx4-jw7g-hwh9 · GitHub Advisory Database

Cite this entry

"Malicious code in Rimworld.Reference.Libary (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-rimworld-reference-libary-nuget-mfeq4j

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