CVE-2026-26030

Published February 19th, 2026

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CVSS v3

9.9

CRITICAL

CVSS v2

N/A

Affected

PROJECT

Description

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.

microsoft/semantic-kernel

Integrate cutting-edge LLM technology quickly and easily into your apps

GitHub

28K