{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76738","assignerOrgId":"eb103674-0d28-4225-80f8-39fb86215de0","state":"PUBLISHED","assignerShortName":"hpe","dateReserved":"2026-08-19T16:13:34.635Z","datePublished":"2026-09-29T19:28:58.533Z","dateUpdated":"2026-09-30T12:34:41.976Z"},"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":"A buffer overflow vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an authenticated attacker with administrative privileges to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service, which recovers without manual intervention."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","baseScore":2.7,"baseSeverity":"LOW","confidentialityImpact":"NONE","availabilityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"orgId":"eb103674-0d28-4225-80f8-39fb86215de0","shortName":"hpe","dateUpdated":"2026-09-29T19:28:58.533Z"},"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US"}],"source":{"advisory":"HPESBNW05150","discovery":"INTERNAL"},"title":"Authenticated Buffer Overflow Vulnerability in the API Endpoint of HPE Networking Instant On Causes Denial-of-Service","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-30T12:34:38.913166Z","id":"CVE-2026-76738","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-30T12:34:41.976Z"}}]}}