{"id":"CVE-2026-73742","state":"PUBLISHED","title":"Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API Endpoint","description":"A vulnerability in an API endpoint of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to spoof the source address attributed to their requests. Successful exploitation could allow an attacker to cause inaccurate attribution information to be recorded on the affected system.","publishedAt":"2026-09-01T19:47:35.874Z","updatedAt":"2026-09-01T20:24:49.779Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","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-290"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73742.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73742","state":"PUBLISHED","datePublished":"2026-09-01T19:47:35.874Z","dateUpdated":"2026-09-01T20:24:49.779Z","assignerShortName":"hpe","assignerOrgId":"eb103674-0d28-4225-80f8-39fb86215de0","dateReserved":"2026-08-13T16:38:10.813Z"},"containers":{"cna":{"title":"Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API Endpoint","descriptions":[{"lang":"en","value":"A vulnerability in an API endpoint of HPE Networking Fabric Composer could allow an authenticated low privilege operator user to spoof the source address attributed to their requests. Successful exploitation could allow an attacker to cause inaccurate attribution information to be recorded on the affected system."}],"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":"NETWORK","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","availabilityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"shortName":"hpe","orgId":"eb103674-0d28-4225-80f8-39fb86215de0","dateUpdated":"2026-09-01T20:24:49.779Z"},"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":"2026-09-01T20:08:29.513451Z","id":"CVE-2026-73742","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-290","type":"CWE","lang":"en","description":"CWE-290 Authentication Bypass by Spoofing"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-01T20:08:46.023Z"}}]}}}