CVE-2026-25592

CRITICAL

9.9

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung9.9

SchweregradCRITICAL

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht2/6/2026

Zuletzt geandert2/19/2026

Quellenvd

Honeypot-Sichtungen0

Schwachen (CWE)

CWE-22

Referenzen

https://github.com/microsoft/semantic-kernel/blob/main/dotnet/samples/Demos/CodeInterpreterPlugin/Program.cs#L61-L64(security-advisories@github.com)

https://github.com/microsoft/semantic-kernel/pull/13478/changes#diff-88d3cacba2bfa84eef8f2aa171b34f9940338cbb784a3ffc49f5fe3af1b8943d(security-advisories@github.com)

https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-2ww3-72rp-wpp4(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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