VDB
GCVE-110-OSM-2026-280
GCVE-110-OSM-2026-280
Advisory PublishedCVSS 9.6/10
Malicious Winium test automation framework library. Supply chain attack targeting UI testing automation with MSBuild-based code execution.
Exploits NuGet's MSBuild integration by placing malicious code in .targets files as inline tasks. When projects build, MSBuild automatically imports and executes these tasks, downloading .NET executables from throwaway GitHub repositories with embedded obfuscated command-line payloads.
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
9.6/10
Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | PubIishIgnore | all (affected) | — |
| unknown | Syntellect.Winium.Cruciatus.Net | all (affected) | — |
| unknown | psbuiId | all (affected), all (affected), all (affected), all (affected), all (affected), all (affected) | — |
| unknown | Reothor.Lab.EvilPackage | all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected) | — |
References
Malicious nuget package: psbuiId
advisory
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