{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-76731", "assignerOrgId": "eb103674-0d28-4225-80f8-39fb86215de0", "state": "PUBLISHED", "assignerShortName": "hpe", "dateReserved": "2026-08-19T16:13:18.140Z", "datePublished": "2026-09-29T19:28:47.642Z", "dateUpdated": "2026-09-29T19:28:47.642Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "Instant ON", "vendor": "Hewlett Packard Enterprise (HPE)", "versions": [{"lessThanOrEqual": "3.4.1.0", "status": "affected", "version": "0.0.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Internal security research (HPE Networking)."}], "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."}], "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": {"orgId": "eb103674-0d28-4225-80f8-39fb86215de0", "shortName": "hpe", "dateUpdated": "2026-09-29T19:28:47.642Z"}, "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US"}], "source": {"advisory": "HPESBNW05150", "discovery": "INTERNAL"}, "title": "Authentication Bypass in the Captive Portal of HPE Networking Instant On", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "affected", "product": "Instant ON", "vendor": "Hewlett Packard Enterprise (HPE)", "versions": [{"lessThanOrEqual": "3.4.1.0", "status": "affected", "version": "0.0.0.0", "versionType": "semver"}]}], "source": "security-alert@hpe.com"}], "cveTags": [], "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."}], "id": "CVE-2026-76731", "lastModified": "2026-09-29T20:17:25.350", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "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"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "security-alert@hpe.com", "type": "Secondary"}]}, "published": "2026-09-29T20:17:25.350", "references": [{"source": "security-alert@hpe.com", "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US"}], "sourceIdentifier": "security-alert@hpe.com", "vulnStatus": "Received"}

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