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VULNERABILITIES

CVE-2026-25592 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

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.

Metrics

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/microsoft/semantic-kernel/blob/main/dotnet/samples/Demos/CodeInterpreterPlugin/Program.cs#L61-L64 [email protected]Source CodeVendor
https://github.com/microsoft/semantic-kernel/pull/13478/changes#diff-88d3cacba2bfa84eef8f2aa171b34f9940338cbb784a3ffc49f5fe3af1b8943d [email protected]Source CodeVendor
https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-2ww3-72rp-wpp4 [email protected]AdvisoryRemedyVendor

Weakness Enumeration

CWE-IDCWE NameSource
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')[email protected]

Affected Products

ProductVersions
Microsoft Semantic Kernel
All versions

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.
Microsoft.SemanticKernel.Core
< 1.70.0 (semver)

CPE

  • cpe:2.3:a:microsoft:microsoft.semantic_kernel.core:*:*:*:*:*:*:*:*

Remediation

  • Upgrade: 1.70.0moderate effort
  • Mitigation:low effort

    Create a Function Invocation Filter that checks the arguments for any calls to DownloadFileAsync or UploadFileAsync, ensuring the provided localFilePath is allow listed.

Microsoft.SemanticKernel.SessionsPythonPlugin
All versions

CPE

  • No CPEs found in CPE dictionary for this product.

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-25592
NVD Published Date:
Feb 6, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]