CVE-2026-25592

CRITICAL

9.9

Descricao

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.

Detalhes CVE

Pontuacao CVSS v3.19.9

SeveridadeCRITICAL

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

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado2/6/2026

Ultima modificacao2/19/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (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)

Correlacoes IOC

Sem correlacoes registradas

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