CVE-2026-26030

CRITICAL

9.9

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.

Details CVE

Score CVSS v3.19.9

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie2/19/2026

Derniere modification3/3/2026

Sourcenvd

Observations honeypot0

Produits affectes

microsoft:semantic_kernel

Faiblesses (CWE)

CWE-94

References

https://github.com/microsoft/semantic-kernel/pull/13505(security-advisories@github.com)

https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4(security-advisories@github.com)

https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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