CVE-2026-25592
CVE-2026-25592 · Semantic Kernel has an Arbitrary File Write via AI Agent Function Calling in .NET SDK
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Semantic Kernel is an SDK used to build, orchestrate, and deploy AI agents and multi-agent systems. Prior to 1.71.0, an Arbitrary File Write vulnerability has been identified in Microsoft's Semantic Kernel .NET SDK, specifically within the SessionsPythonPlugin. The problem has been fixed in Microsoft.SemanticKernel.Core version 1.71.0. As a mitigation, users can create a Function Invocation Filter which checks the arguments being passed to any calls to DownloadFileAsync or UploadFileAsync and ensures the provided localFilePath is allow listed.
CVSS 10.0 · Kritisch · EPSS 2,5% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: python
Betroffene Produkte und Versionen
semantic-kernel
- Softwareversionen
- < 1.71.0: Betroffen
Keine Korrektur veröffentlicht
semantic-kernel PyPI
- Softwareversionen
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- ECOSYSTEM: < 1.39.3
Auf 1.39.3 aktualisieren
microsoft.semantickernel.core NuGet
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- Betroffene Versionsbereiche
- ECOSYSTEM: < 1.71.0
Auf 1.71.0 aktualisieren
Originalquellen
- https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-2ww3-72rp-wpp4
- https://github.com/microsoft/semantic-kernel/pull/13478/changes#diff-88d3cacba2bfa84eef8f2aa171b34f9940338cbb784a3ffc49f5fe3af1b8943d
- https://github.com/microsoft/semantic-kernel/blob/main/dotnet/samples/Demos/CodeInterpreterPlugin/Program.cs#L61-L64
- https://nvd.nist.gov/vuln/detail/CVE-2026-25592