Malicious code in Stl.CommandLine.Net (NuGet)
Malicious code was discovered in the Stl.CommandLine.Net NuGet package. The OpenSSF malicious packages project identified and documented the incident.
- Disclosed
- Last updated
- Blast radius
- All users of affected versions of Stl.CommandLine.Net
- Ecosystems
- Attack vectors
- Affected entities
- Stl.CommandLine.NetNuGet package
Malicious code was found in the Stl.CommandLine.Net package distributed via NuGet. The vulnerability was identified and credited to the OpenSSF's malicious packages project, which maintains a catalog of known malicious software supply chain incidents.\n\nThe incident was documented in the OpenSSF malicious packages repository with identifier MAL-2024-4656. This represents a direct compromise of the package itself, affecting all users who installed the malicious version(s).\n\nThe NuGet ecosystem was the distribution vector for this malicious code.
Indicators of compromise
- Packages
- Stl.CommandLine.Net
Remediation
- Remove or uninstall the affected version(s) of Stl.CommandLine.Net from your environment
- Audit systems that may have executed code from this package for signs of compromise
- Update to a patched or alternative version if available
- Review NuGet package dependencies and implement package verification practices
Sources
- GitHub Advisory GHSA-gwv8-x38p-6gcr · GitHub Advisory Database
Cite this entry
"Malicious code in Stl.CommandLine.Net (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-commandline-net-nuget-1viyl4
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