GCVE-110-OSM-2026-762

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published March 27, 2026

Malicious Oracle Cloud Infrastructure AI speech service SDK. Supply chain attack targeting AI speech applications 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.

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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	OCI.DotNetSDK.Ai.speech	* (affected)	—

References

Malicious nuget package: OCI.DotNetSDK.Ai.speech

advisory

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