ByteOS Network

NVD Vulnerability Details :

CVE-2026-26030

Received

Source-security-advisories@github.com

Published At-19 Feb, 2026 | 17:24

Updated At-19 Feb, 2026 | 17:24

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	9.9	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Type: Secondary

Version: 3.1

Base score: 9.9

Base severity: CRITICAL

Vector:

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

Weaknesses

CWE ID	Type	Source
CWE-94	Primary	security-advisories@github.com

CWE ID: CWE-94

Type: Primary

Source: security-advisories@github.com

References

Hyperlink	Source	Resource
https://github.com/microsoft/semantic-kernel/pull/13505	security-advisories@github.com	N/A
https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4	security-advisories@github.com	N/A
https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx	security-advisories@github.com	N/A