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Malicious code in Sanka.UI.WinForms (NuGet)

Malicious code was discovered in multiple versions of the Sanka.UI.WinForms NuGet package. The vulnerability was identified and reported through the OpenSSF malicious packages database.

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

Multiple versions of the Sanka.UI.WinForms package published on NuGet were found to contain malicious code. The package is a .NET Windows Forms UI library distributed through the NuGet package manager.\n\nThe vulnerability was identified and documented by the OpenSSF (Open Source Security Foundation) as part of their malicious packages tracking effort (MAL-2024-4636). The advisory was published on GitHub on July 20, 2026.\n\nThe malicious package affected numerous versions of Sanka.UI.WinForms, indicating a widespread compromise of the package distribution.

Indicators of compromise

Packages
  • Sanka.UI.WinForms

Remediation

  • Remove all versions of Sanka.UI.WinForms from affected systems
  • Audit systems that installed this package for signs of compromise
  • Review and update dependencies to use only verified, legitimate packages
  • Monitor NuGet package feeds for similar malicious packages
  • Consider using package verification and signing mechanisms to prevent installation of unsigned or untrusted packages

Sources

  1. GitHub Advisory GHSA-pjvx-h29g-jhmh · GitHub Advisory Database

Cite this entry

"Malicious code in Sanka.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-sanka-ui-winforms-nuget-xwa4dg

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