{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-26030", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-09T21:36:29.555Z", "datePublished": "2026-02-19T16:00:55.623Z", "dateUpdated": "2026-02-19T16:00:55.623Z"}, "containers": {"cna": {"title": "Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx"}, {"name": "https://github.com/microsoft/semantic-kernel/pull/13505", "tags": ["x_refsource_MISC"], "url": "https://github.com/microsoft/semantic-kernel/pull/13505"}, {"name": "https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4"}], "affected": [{"vendor": "microsoft", "product": "semantic-kernel", "versions": [{"version": "< 1.39.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-19T16:00:55.623Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-xjw9-4gw8-4rqx", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-26030", "lastModified": "2026-02-19T17:24:50.487", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-19T17:24:50.487", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/microsoft/semantic-kernel/pull/13505"}, {"source": "security-advisories@github.com", "url": "https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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