{"id":"CVE-2026-76731","state":"PUBLISHED","title":"Authentication Bypass in the Captive Portal of HPE Networking Instant On","description":"An authentication bypass vulnerability in the captive portal of HPE Networking Instant On could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain limited access to some data and to make limited changes within the affected component.","publishedAt":"2026-09-29T19:28:47.642Z","updatedAt":"2026-09-30T20:11:06.320Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"hpe"},"assigner":"hpe","products":["Hewlett Packard Enterprise (HPE) Instant ON"],"affected":[{"vendor":"Hewlett Packard Enterprise (HPE)","product":"Instant ON","defaultStatus":"affected","versions":[{"version":"0.0.0.0","status":"affected","lessThanOrEqual":"3.4.1.0","versionType":"semver"}]}],"references":["https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US"],"weaknesses":["CWE-269"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76731.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76731","state":"PUBLISHED","datePublished":"2026-09-29T19:28:47.642Z","dateUpdated":"2026-09-30T20:11:06.320Z","assignerShortName":"hpe","assignerOrgId":"eb103674-0d28-4225-80f8-39fb86215de0","dateReserved":"2026-08-19T16:13:18.140Z"},"containers":{"cna":{"title":"Authentication Bypass in the Captive Portal of HPE Networking Instant On","descriptions":[{"lang":"en","value":"An authentication bypass vulnerability in the captive portal of HPE Networking Instant On could allow an unauthenticated remote attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain limited access to some data and to make limited changes within the affected component."}],"affected":[{"vendor":"Hewlett Packard Enterprise (HPE)","product":"Instant ON","defaultStatus":"affected","versions":[{"version":"0.0.0.0","status":"affected","lessThanOrEqual":"3.4.1.0","versionType":"semver"}]}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","availabilityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"shortName":"hpe","orgId":"eb103674-0d28-4225-80f8-39fb86215de0","dateUpdated":"2026-09-29T19:28:47.642Z"},"credits":[{"lang":"en","type":"reporter","value":"Internal security research (HPE Networking)."}],"source":{"advisory":"HPESBNW05150","discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-76731","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-30T18:26:17.387681Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-269","lang":"en","type":"CWE","description":"CWE-269 Improper Privilege Management"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-30T20:11:06.320Z"}}]}}}