Skip to content
10.0 Critical

CVE-2026-25592 Semantic Kernel is an SDK used to build, orchestrate, and deploy AI agents and multi-agent systems

Description

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.

Affected products and versions

Product Affected versions Fixed in
semantic-kernel 1.71 earliest → < 1.71.0 1.71.0
The 2 CVEs of semantic-kernel →
Track this CVE