CVE-2026-76731

{"id": "CVE-2026-76731", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-76731", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-30T18:26:17.387681Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-alert@hpe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-alert@hpe.com", "affectedData": [{"vendor": "Hewlett Packard Enterprise (HPE)", "product": "Instant ON", "versions": [{"status": "affected", "version": "0.0.0.0", "versionType": "semver", "lessThanOrEqual": "3.4.1.0"}], "defaultStatus": "affected"}]}], "published": "2026-09-29T20:17:25.350", "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US", "source": "security-alert@hpe.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-269"}]}], "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."}], "lastModified": "2026-09-30T21:17:14.607", "sourceIdentifier": "security-alert@hpe.com"}