CVE-2026-26030

{"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": "2026-02-26T14:44:14.276Z"}, "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"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-26030", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-02-20T04:55:50.393336Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T14:44:14.276Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-26030", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-02-20T04:55:50.393336Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-19T20:57:43.989Z"}}], "cna": {"title": "Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable to remote code execution", "source": {"advisory": "GHSA-xjw9-4gw8-4rqx", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 10, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "microsoft", "product": "semantic-kernel", "versions": [{"status": "affected", "version": "< 1.39.4"}]}], "references": [{"url": "https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx", "name": "https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/microsoft/semantic-kernel/pull/13505", "name": "https://github.com/microsoft/semantic-kernel/pull/13505", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4", "name": "https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4", "tags": ["x_refsource_MISC"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-94", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-19T16:00:55.623Z"}}}, "cveMetadata": {"cveId": "CVE-2026-26030", "state": "PUBLISHED", "dateUpdated": "2026-02-26T14:44:14.276Z", "dateReserved": "2026-02-09T21:36:29.555Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-02-19T16:00:55.623Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "semantic-kernel", "vendor": "microsoft", "versions": [{"status": "affected", "version": "< 1.39.4"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:semantic_kernel:*:*:*:*:*:python:*:*", "matchCriteriaId": "C6E2587D-AC15-4660-BC94-3B2D03FD88E9", "versionEndExcluding": "1.39.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}, {"lang": "es", "value": "Semantic Kernel, el SDK de Python de kernel sem\u00e1ntico de Microsoft, tiene una vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo en versiones anteriores a la 1.39.4, espec\u00edficamente dentro de la funcionalidad de filtro de 'InMemoryVectorStore'. El problema ha sido solucionado en la versi\u00f3n 'python-1.39.4'. Los usuarios deber\u00edan actualizar a esta versi\u00f3n o una superior. Como soluci\u00f3n alternativa, evite usar 'InMemoryVectorStore' para escenarios de producci\u00f3n."}], "id": "CVE-2026-26030", "lastModified": "2026-06-17T10:25:37.857", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-26030", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-02-20T04:55:50.393336Z", "version": "2.0.3"}}]}, "published": "2026-02-19T17:24:50.487", "references": [{"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/microsoft/semantic-kernel/pull/13505"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/microsoft/semantic-kernel/releases/tag/python-1.39.4"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.39.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "semantic-kernel", "source": "cna", "vendor": "microsoft"}, "product": "semantic-kernel", "vendor": "microsoft"}], "created": "2026-02-20T10:06:21.874232+00:00", "updated": "2026-06-18T13:45:05.918529+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$semantic-kernel"]}