{ "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" } } ] } }