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resolvedcritical

Malicious code in Stl.Rpc.Server.Core (NuGet)

Malicious code was discovered in the Stl.Rpc.Server.Core NuGet package. The incident was identified and documented by the OpenSSF malicious packages project.

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Disclosed
Last updated
Blast radius
Stl.Rpc.Server.Core package consumers on NuGet
Ecosystems
NuGet
Attack vectors
Compromised package
Affected entities
  • Stl.Rpc.Server.CoreNuGet package

A malicious code injection was identified in the Stl.Rpc.Server.Core package distributed via NuGet. The package was flagged as containing malicious code and documented in the OpenSSF's malicious packages repository.\n\nThe incident was tracked under identifier MAL-2024-4662 and published on July 20, 2026. The OpenSSF maintains a curated list of confirmed malicious packages to help the community identify and avoid compromised dependencies.\n\nAffected users should immediately remove or update the Stl.Rpc.Server.Core package and audit their systems for any unauthorized activity resulting from the malicious code execution.

Indicators of compromise

Packages
  • Stl.Rpc.Server.Core

Remediation

  • Remove or uninstall the affected Stl.Rpc.Server.Core package from all projects and systems
  • Check NuGet package history and update to a known-clean version if available
  • Audit systems that may have executed code from the malicious package for signs of compromise
  • Review application logs and security events for suspicious activity during the period the malicious package was in use
  • Implement package verification and scanning in your dependency management workflow

Sources

  1. GitHub Advisory GHSA-p8qm-4pf5-j6x4 · GitHub Advisory Database

Cite this entry

"Malicious code in Stl.Rpc.Server.Core (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2024; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-stl-rpc-server-core-nuget-ozkico

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