CVE-2026-73726

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73726", "assignerOrgId": "eb103674-0d28-4225-80f8-39fb86215de0", "state": "PUBLISHED", "assignerShortName": "hpe", "dateReserved": "2026-08-13T16:37:06.403Z", "datePublished": "2026-09-01T19:47:02.644Z", "dateUpdated": "2026-09-02T15:32:26.506Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "Fabric Composer", "vendor": "Hewlett Packard Enterprise (HPE)", "versions": [{"lessThanOrEqual": "7.3.3", "status": "affected", "version": "7.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "This vulnerability was discovered by internal security research at HPE Networking."}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in the underlying operating system of HPE Networking Fabric Composer that could potentially allow an unauthenticated adjacent actor to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "providerMetadata": {"orgId": "eb103674-0d28-4225-80f8-39fb86215de0", "shortName": "hpe", "dateUpdated": "2026-09-01T20:24:36.946Z"}, "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US"}], "source": {"advisory": "HPESBNW05133", "discovery": "INTERNAL"}, "title": "Authentication Bypass in HPE Networking Fabric Composer allows Unauthorized Administrative Access", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-287", "lang": "en", "description": "CWE-287 Improper Authentication"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-02T15:32:02.935198Z", "id": "CVE-2026-73726", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-02T15:32:26.506Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"cna": {"title": "Authentication Bypass in HPE Networking Fabric Composer allows Unauthorized Administrative Access", "source": {"advisory": "HPESBNW05133", "discovery": "INTERNAL"}, "credits": [{"lang": "en", "type": "reporter", "value": "This vulnerability was discovered by internal security research at HPE Networking."}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Hewlett Packard Enterprise (HPE)", "product": "Fabric Composer", "versions": [{"status": "affected", "version": "7.0.0", "versionType": "semver", "lessThanOrEqual": "7.3.3"}], "defaultStatus": "affected"}], "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in the underlying operating system of HPE Networking Fabric Composer that could potentially allow an unauthenticated adjacent actor to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data."}], "providerMetadata": {"orgId": "eb103674-0d28-4225-80f8-39fb86215de0", "shortName": "hpe", "dateUpdated": "2026-09-01T20:24:36.946Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-73726", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-02T15:32:02.935198Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "CWE-287 Improper Authentication"}]}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-09-02T15:32:16.793Z"}}]}, "cveMetadata": {"cveId": "CVE-2026-73726", "state": "PUBLISHED", "dateUpdated": "2026-09-01T20:24:36.946Z", "dateReserved": "2026-08-13T16:37:06.403Z", "assignerOrgId": "eb103674-0d28-4225-80f8-39fb86215de0", "datePublished": "2026-09-01T19:47:02.644Z", "assignerShortName": "hpe"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "Fabric Composer", "vendor": "Hewlett Packard Enterprise (HPE)", "versions": [{"lessThanOrEqual": "7.3.3", "status": "affected", "version": "7.0.0", "versionType": "semver"}]}], "source": "security-alert@hpe.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:arubanetworks:fabric_composer:*:*:*:*:*:*:*:*", "matchCriteriaId": "E34E933B-FAAD-41AB-8FC3-0368FF82F047", "versionEndExcluding": "7.3.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in the underlying operating system of HPE Networking Fabric Composer that could potentially allow an unauthenticated adjacent actor to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system configurations, and access or manipulate sensitive data."}], "id": "CVE-2026-73726", "lastModified": "2026-09-02T16:17:21.570", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "security-alert@hpe.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73726", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-02T15:32:02.935198Z", "version": "2.0.3"}}]}, "published": "2026-09-01T20:17:20.153", "references": [{"source": "security-alert@hpe.com", "tags": ["Vendor Advisory"], "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US"}], "sourceIdentifier": "security-alert@hpe.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.3.3]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Fabric Composer", "source": "cna", "vendor": "Hewlett Packard Enterprise (HPE)"}, "product": "fabric_composer", "vendor": "hewlett_packard_enterprise_(hpe)"}], "created": "2026-09-02T02:15:12.943292+00:00", "updated": "2026-09-03T14:15:06.819682+00:00", "vendors": ["hewlett_packard_enterprise_(hpe)", "hewlett_packard_enterprise_(hpe)$PRODUCT$fabric_composer"]}