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resolvedcritical

Malicious code in ppy.osu.Game.Lib (NuGet)

Malicious code was discovered in multiple versions of the ppy.osu.Game.Lib NuGet package. The vulnerability was identified and documented by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Multiple versions of ppy.osu.Game.Lib distributed via NuGet
Ecosystems
NuGet
Attack vectors
Compromised package
Affected entities
  • ppy.osu.Game.LibNuGet package with malicious code

Multiple versions of the ppy.osu.Game.Lib NuGet package were found to contain malicious code. The package is distributed through the NuGet package manager, which is widely used in the .NET ecosystem.\n\nThe vulnerability was identified and credited to the OpenSSF (Open Source Security Foundation) through their malicious packages tracking project. The incident was assigned identifier MAL-2024-4616 in the OpenSSF malicious packages database.\n\nThis represents a supply chain compromise affecting the NuGet ecosystem, with the malicious code present across multiple package versions.

Indicators of compromise

Packages
  • ppy.osu.Game.Lib

Remediation

  • Remove or uninstall affected versions of ppy.osu.Game.Lib from your projects
  • Audit any projects that depend on ppy.osu.Game.Lib for potential compromise
  • Update to a patched version if available from the maintainers
  • Review NuGet package dependencies regularly using tools like NuGet Package Explorer or dotnet list package --vulnerable

Sources

  1. GitHub Advisory GHSA-c9r9-wfp4-v3m3 · GitHub Advisory Database

Cite this entry

"Malicious code in ppy.osu.Game.Lib (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-ppy-osu-game-lib-nuget-suixn8

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