Malicious code in test6789.latest (NuGet)
Malicious code was discovered in the test6789.latest NuGet package. The package was identified and cataloged by the OpenSSF malicious packages project.
- Disclosed
- Last updated
- Blast radius
- All users of test6789.latest NuGet package
- Ecosystems
- Attack vectors
- Affected entities
- test6789.latestNuGet package
The test6789.latest NuGet package was found to contain malicious code. This incident was identified and documented by the OpenSSF (Open Source Security Foundation) as part of their malicious packages tracking effort.\n\nThe package was published to the NuGet package registry and posed a risk to any developers who installed or used it. The malicious code in the package represents a direct supply chain compromise through a poisoned package.\n\nThis incident has been cataloged in the OpenSSF malicious packages repository under identifier MAL-2026-1891, indicating it has been formally recognized and documented as a confirmed malicious package incident.
Indicators of compromise
- Packages
- test6789.latest
Remediation
- Remove test6789.latest from any projects or environments where it was installed
- Audit project dependencies to identify if test6789.latest was transitively included
- Review any systems or code that may have executed code from this package
- Update to a safe, verified version of any legitimate package this may have been impersonating
- Monitor for any suspicious activity on systems where this package was used
Sources
- GitHub Advisory GHSA-x4jx-43px-whm6 · GitHub Advisory Database
Cite this entry
"Malicious code in test6789.latest (NuGet)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malicious-code-in-test6789-latest-nuget-18u8rt
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- resolvedcritical
Malicious code in Ultimate.Wpf.Toolkit (NuGet)
Multiple versions of the Ultimate.Wpf.Toolkit NuGet package contained malicious code. The incident was identified and documented by the OpenSSF malicious packages project.
NuGetCompromised package - resolvedcritical
Malicious code in YoutubeExtractor.Net (NuGet)
Malicious code was discovered in the YoutubeExtractor.Net NuGet package. The incident was identified and documented by the OpenSSF malicious packages project.
NuGetCompromised package - resolvedcritical
Malicious code in Zendesk.OAuth (NuGet)
Malicious code was discovered in multiple versions of the Zendesk.OAuth NuGet package. The incident was identified and documented by the OpenSSF malicious packages project.
NuGetCompromised package - resolvedcritical
Malicious code in Winforms (NuGet)
Malicious code was discovered in multiple versions of the Winforms package on NuGet. The incident was documented by the OpenSSF malicious packages project and published as GitHub advisory GHSA-wq82-5xjm-57wq.
NuGetCompromised package