{"action":"Upgrade semantic-kernel to 1.39.4 or later.","affected":[{"fixed":"1.39.4","introduced":"0"}],"component":"semantic-kernel","cve_ids":["CVE-2026-26030"],"ecosystem":"PyPI","epss":0.03914,"exploited":false,"fixed_versions":["1.39.4"],"ghsa_id":"GHSA-xjw9-4gw8-4rqx","id":"tcs_01M5KG4C0NKSK1JBV7CG77XTM8","modified_at":"2026-06-08T23:30:20.861750576Z","published_at":"2026-02-19T19:34:14Z","references":["https://osv.dev/vulnerability/GHSA-xjw9-4gw8-4rqx","https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx","https://nvd.nist.gov/vuln/detail/CVE-2026-26030","https://github.com/microsoft/semantic-kernel/pull/13505","https://github.com/microsoft/semantic-kernel","https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4","https://github.com/pypa/advisory-database/tree/main/vulns/semantic-kernel/PYSEC-2026-163.yaml"],"severity":{"label":"critical","score":9.9},"sources":[{"source":"osv","source_id":"GHSA-xjw9-4gw8-4rqx","url":"https://osv.dev/vulnerability/GHSA-xjw9-4gw8-4rqx"}],"summary":"Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution"}