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Malicious code in Shade.UI.WinForms (NuGet)

Malicious code was discovered in multiple versions of the Shade.UI.WinForms NuGet package. The incident was identified and documented by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Multiple versions of Shade.UI.WinForms NuGet package
Ecosystems
NuGet
Attack vectors
Compromised package
Affected entities
  • Shade.UI.WinFormsNuGet package with malicious code

Multiple versions of the Shade.UI.WinForms NuGet package were found to contain malicious code. The vulnerability was identified and credited to the OpenSSF (Open Source Security Foundation) through their malicious packages tracking project.\n\nThe affected package is Shade.UI.WinForms distributed via NuGet. The incident was documented with reference MAL-2024-4639 in the OpenSSF malicious packages repository.\n\nThis represents a compromised package supply chain attack where malicious code was injected into the package distributed to developers who depend on this library.

Remediation

  • Remove or uninstall all versions of Shade.UI.WinForms from affected projects
  • Audit code that used Shade.UI.WinForms for any suspicious behavior or unauthorized access
  • Review NuGet package dependencies and implement package verification practices
  • Monitor systems that may have executed code from affected versions for signs of compromise

Sources

  1. GitHub Advisory GHSA-53wv-8h6p-7mg5 · GitHub Advisory Database

Cite this entry

"Malicious code in Shade.UI.WinForms (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-shade-ui-winforms-nuget-16gprr

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