VDB

GCVE-110-OSM-2026-291

GCVE-110-OSM-2026-291
Advisory PublishedCVSS 9.6/10
Vulnetix · Advisory published March 26, 2026
Malicious Oracle Cloud Infrastructure OSP gateway SDK for .NET. Supply chain attack targeting Oracle Service Provider infrastructure 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

VendorProductVersionsPlatforms
unknownMailall (affected)
unknownLitecoinall (affected), all (affected), all (affected), all (affected), all (affected), all (affected)
unknownOCI.DotNetSDK.Ospgateway.Netall (affected)
unknownNotifyIcon.Netall (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected), all (affected)

Explore Further

Investigate this vulnerability in the interactive console or download the raw GCVE record.

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