Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution (microsoft semantic-kernel)
At a glance
- Source
- NVD
- EPSS
- EPSS 3.91 % · percentile 90 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitHub_M
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-94 — Improper Control of Generation of Code
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 10.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | GitHub_M |
| CVSS 3.1 | CRITICAL 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | NVD · security-advisories@github.com (Secondary) |
Advisories
- GHSA-xjw9-4gw8-4rqx — Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution
- PYSEC-2026-163 — Semantic Kernel, Microsoft's semantic kernel Python SDK, has a remote code execution vulnerability in versions prior to 1.39.4, specifically within the `InMemor
European references
- ENISA EUVD · EUVD-2026-8014
- GCVE · GCVE-0-2026-26030
CERT-FR advisories
- CERTFR-2026-AVI-0274 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:microsoft:semantic_kernel:*:*:*:*:*:python:*:*< 1.39.4
Affected products
| Product | Versions |
|---|---|
| microsoft · semantic-kernel | affected < 1.39.4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |