VDB
GCVE-110-OSM-2026-254
GCVE-110-OSM-2026-254
Advisory PublishedCVSS 9.6/10
Malicious Tessa compilation framework library. Supply chain attack targeting document compilation processes 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 | Tessa.Compilations | all (affected) | — |
| unknown | spark-ml-utilities | all (affected) | — |
| unknown | ZendeskApi.Client.V2 | all (affected), all (affected), * (affected), all (affected), all (affected), all (affected), all (affected), * (affected) | — |
| unknown | MinecraftPocket.Server | all (affected) | — |
| unknown | Modern.Winform.UI | all (affected), all (affected), all (affected), * (affected), all (affected), * (affected) | — |
Aliases
References
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