CVE-2026-25592

CRITICAL

9.9

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.19.9

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado2/6/2026

Ultima modificacion2/19/2026

Fuentenvd

Avistamientos honeypot0

Debilidades (CWE)

CWE-22

Referencias

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)

Correlaciones IOC

Sin correlaciones registradas

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