VDB
GHSA-xjw9-4gw8-4rqx
GHSA-xjw9-4gw8-4rqx
PUBLISHED
CVSS 9.899999618530273 CRITICAL
Record from GitHub Advisory Database · Published February 19, 2026
semantic-kernel is fixed in 1.39.4 (PyPI)
Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| semantic-kernel | PyPI | 1.39.4 |
Risk scores
CVSS 3.1
9.899999618530273
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| PyPI | semantic-kernel | 0 |
| PyPI | semantic-kernel | 0 |
Timeline
- Feb 19, 2026 CVE Published
- Mar 2, 2026 Security Advisory
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln GHSA-xjw9-4gw8-4rqx
vulnetix vdb fixes GHSA-xjw9-4gw8-4rqxOr with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/GHSA-xjw9-4gw8-4rqx/fixes/registry"The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- https://github.com/microsoft/semantic-kernel/pull/13505 fix
- https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4 fix
- https://nvd.nist.gov/vuln/detail/CVE-2026-26030 advisory
- https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx url
- https://github.com/microsoft/semantic-kernel product
- GitHub Advisory GHSA-xjw9-4gw8-4rqx vendor-advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/semantic-kernel/PYSEC-2026-163.yaml url