CVE-2026-19766

{"id": "CVE-2026-19766", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19766", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-02T15:00:09.382435Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-alert@hpe.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-alert@hpe.com", "affectedData": [{"vendor": "Hewlett Packard Enterprise (HPE)", "product": "Fabric Composer", "versions": [{"status": "affected", "version": "7.0.0", "versionType": "semver", "lessThanOrEqual": "7.3.3"}], "defaultStatus": "affected"}]}], "published": "2026-09-01T20:17:12.760", "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US", "tags": ["Vendor Advisory"], "source": "security-alert@hpe.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "An authentication bypass vulnerability exists in the underlying operating system of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to execute arbitrary code as a privileged user on the underlying operating system, leading to complete compromise of the AFC host."}], "lastModified": "2026-09-04T20:06:43.743", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5E00EE5F-A0A6-4BAA-A3C1-485A93294047", "versionEndIncluding": "7.3.3", "versionStartIncluding": "7.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-alert@hpe.com"}