{"api_version":"1","generated_at":"2026-09-03T12:36:15+00:00","cve":"CVE-2026-73742","urls":{"html":"https://cve.report/CVE-2026-73742","api":"https://cve.report/api/cve/CVE-2026-73742.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-73742","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-73742"},"summary":{"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.","state":"PUBLISHED","assigner":"hpe","published_at":"2026-09-01 20:17:21","updated_at":"2026-09-01 21:18:40"},"problem_types":["CWE-290","CWE-290 CWE-290 Authentication Bypass by Spoofing"],"metrics":[{"version":"3.1","source":"security-alert@hpe.com","type":"Secondary","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"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"}}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US","name":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US","refsource":"security-alert@hpe.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-73742","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73742","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Hewlett Packard Enterprise (HPE)","product":"Fabric Composer","version":"affected 7.0.0 7.3.3 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"This vulnerability was discovered by internal security research at HPE Networking.","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"73742","cve":"CVE-2026-73742","epss":"0.001520000","percentile":"0.046760000","score_date":"2026-09-02","updated_at":"2026-09-03 00:14:36"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-73742","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-01T20:08:29.513451Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-290","description":"CWE-290 Authentication Bypass by Spoofing","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-01T20:08:46.023Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"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 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."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"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":{"dateUpdated":"2026-09-01T20:24:49.779Z","orgId":"eb103674-0d28-4225-80f8-39fb86215de0","shortName":"hpe"},"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05133en_us&docLocale=en_US"}],"source":{"advisory":"HPESBNW05133","discovery":"INTERNAL"},"title":"Improper Client Address Validation allows Request Attribution Spoofing in Fabric Composer API Endpoint","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"eb103674-0d28-4225-80f8-39fb86215de0","assignerShortName":"hpe","cveId":"CVE-2026-73742","datePublished":"2026-09-01T19:47:35.874Z","dateReserved":"2026-08-13T16:38:10.813Z","dateUpdated":"2026-09-01T20:24:49.779Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-01 20:17:21","lastModifiedDate":"2026-09-01 21:18:40","problem_types":["CWE-290","CWE-290 CWE-290 Authentication Bypass by Spoofing"],"metrics":{"cvssMetricV31":[{"source":"security-alert@hpe.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-09-01T20:08:29.513451Z","id":"CVE-2026-73742","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"73742","Ordinal":"1","Title":"Improper Client Address Validation allows Request Attribution Sp","CVE":"CVE-2026-73742","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"73742","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"Improper Client Address Validation allows Request Attribution Sp"}]}}}