{"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"}}]}}