CVE-2026-103484

{"id": "CVE-2026-103484", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-103484", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-01T19:58:32.132643Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "affectedData": [{"vendor": "n/a", "product": "pgvector", "versions": [{"status": "affected", "version": "0", "lessThan": "0.8.7", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-01T20:17:23.213", "references": [{"url": "https://github.com/pgvector/pgvector/commit/ee00d39ab30c2a7cf9510abf9288c624d91db156", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}, {"url": "https://github.com/pgvector/pgvector/issues/1036", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "description": [{"lang": "en", "value": "CWE-787"}, {"lang": "en", "value": "CWE-1284"}]}], "descriptions": [{"lang": "en", "value": "IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to arbitrary code execution."}], "lastModified": "2026-10-02T18:53:46.583", "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}