{"id":"CVE-2026-19766","state":"PUBLISHED","title":"Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer","description":"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.","publishedAt":"2026-09-01T19:30:38.902Z","updatedAt":"2026-09-02T15:14:46.464Z","severity":{"score":9.6,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"hpe"},"assigner":"hpe","products":["Hewlett Packard Enterprise (HPE) Fabric Composer"],"affected":[{"vendor":"Hewlett Packard Enterprise (HPE)","product":"Fabric Composer","defaultStatus":"affected","versions":[{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.3.3","versionType":"semver"}]}],"references":["https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19766.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19766","state":"PUBLISHED","datePublished":"2026-09-01T19:30:38.902Z","dateUpdated":"2026-09-02T15:14:46.464Z","assignerShortName":"hpe","assignerOrgId":"eb103674-0d28-4225-80f8-39fb86215de0","dateReserved":"2026-08-13T16:59:42.306Z"},"containers":{"cna":{"title":"Authentication Bypass leads to Administrative control of adjacent network hosts in HPE Networking Fabric Composer","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."}],"affected":[{"vendor":"Hewlett Packard Enterprise (HPE)","product":"Fabric Composer","defaultStatus":"affected","versions":[{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.3.3","versionType":"semver"}]}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","availabilityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"shortName":"hpe","orgId":"eb103674-0d28-4225-80f8-39fb86215de0","dateUpdated":"2026-09-01T20:24:15.187Z"},"credits":[{"lang":"en","type":"reporter","value":"This vulnerability was discovered by internal security research at HPE Networking."}],"source":{"advisory":"HPESBNW05133","discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-02T15:00:09.382435Z","id":"CVE-2026-19766","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","type":"CWE","lang":"en","description":"CWE-287 Improper Authentication"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-02T15:14:46.464Z"}}]}}}