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semantic-kernel vulnerabilities

Vulnerabilities published for semantic-kernel in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerabilities: 2

  1. CVE-2026-26030

    Critical · CVSS 10EPSS 3.91%Fix available

    Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution

    Semantic Kernel, Microsoft's semantic kernel Python SDK, has a remote code execution vulnerability in versions prior to 1.39.4, specifically within the `InMemoryVectorStore` filter functionality. The problem has been fixed in version `python-1.39.4`. Users should upgrade this version or higher. As a workaround, avoid using `InMemoryVectorStore` for production scenarios.

    • Update to 1.39.4
    Published Updated
  2. CVE-2026-25592

    Critical · CVSS 10EPSS 2.52%Fix available

    Semantic Kernel has an Arbitrary File Write via AI Agent Function Calling in .NET SDK

    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.

    • Update to 1.39.3
    Published Updated

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