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resolvedcritical

Malicious code in Stl.Rpc.Server.Net.Fx (NuGet)

Malicious code was discovered in the Stl.Rpc.Server.Net.Fx NuGet package. The package was identified by the OpenSSF malicious-packages project as containing malicious code (MAL-2024-4663).

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Disclosed
Last updated
Blast radius
All consumers of affected Stl.Rpc.Server.Net.Fx NuGet package versions
Ecosystems
NuGet
Attack vectors
Compromised package
Affected entities
  • Stl.Rpc.Server.Net.FxNuGet package

The Stl.Rpc.Server.Net.Fx NuGet package was found to contain malicious code. This incident was identified and documented by the OpenSSF's malicious-packages project, which maintains a catalog of confirmed malicious software packages across multiple ecosystems.\n\nThe malicious package was published to the NuGet package repository, potentially exposing any developers or systems that installed or updated to affected versions. The OpenSSF attribution and formal tracking (MAL-2024-4663) indicates this was a confirmed malicious package incident.\n\nThe package has since been addressed through the NuGet ecosystem's security response mechanisms.

Indicators of compromise

Packages
  • Stl.Rpc.Server.Net.Fx

Remediation

  • Remove or uninstall the Stl.Rpc.Server.Net.Fx package from affected projects
  • Audit systems and code that may have used this package for signs of compromise
  • Update to a known-safe version of the package if a patched version is available, or replace with an alternative library
  • Review NuGet package security advisories regularly and enable automated dependency scanning

Sources

  1. GitHub Advisory GHSA-6745-g85v-p3w2 · GitHub Advisory Database

Cite this entry

"Malicious code in Stl.Rpc.Server.Net.Fx (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-stl-rpc-server-net-fx-nuget-1wkzi5

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