{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23822","assignerOrgId":"eb103674-0d28-4225-80f8-39fb86215de0","state":"PUBLISHED","assignerShortName":"hpe","dateReserved":"2026-01-16T15:22:49.224Z","datePublished":"2026-05-12T18:37:08.787Z","dateUpdated":"2026-05-12T19:25:55.101Z"},"containers":{"cna":{"providerMetadata":{"orgId":"eb103674-0d28-4225-80f8-39fb86215de0","shortName":"hpe","dateUpdated":"2026-05-12T18:37:08.787Z"},"title":"Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service","affected":[{"vendor":"Hewlett Packard Enterprise (HPE)","product":"ArubaOS (AOS)","versions":[{"status":"affected","version":"8.13.0.0","lessThanOrEqual":"8.13.1.1","versionType":"semver"},{"status":"affected","version":"8.12.0.0","lessThanOrEqual":"8.12.0.6","versionType":"semver"},{"status":"affected","version":"8.10.0.0","lessThanOrEqual":"8.10.0.21","versionType":"semver"}],"defaultStatus":"affected"}],"descriptions":[{"lang":"en","value":"A vulnerability in the XML handling component of AOS-8 DHCP services could allow an unauthenticated remote attacker to trigger a denial-of-service condition. Successful exploitation could allow an attacker to cause excessive resource consumption upon user interaction, leading to service disruption or reduced availability of the affected system.\n\n\n\n\n\n\n\n\nNOTE: This vulnerability only impacts Access Points running AOS Instant 8.x.x.x","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>A vulnerability in the XML handling component of AOS-8 DHCP services could allow an unauthenticated remote attacker to trigger a denial-of-service condition. Successful exploitation could allow an attacker to cause excessive resource consumption upon user interaction, leading to service disruption or reduced availability of the affected system.</p><p><br></p><p>NOTE: This vulnerability only impacts Access Points running AOS Instant 8.x.x.x</p>"}]}],"references":[{"url":"https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseSeverity":"MEDIUM","baseScore":5.3,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H"}}],"credits":[{"lang":"en","value":"Nicholas Starke","type":"reporter"}],"source":{"advisory":"HPESBNW05049","discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-776","lang":"en","description":"CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-12T19:25:52.086668Z","id":"CVE-2026-23822","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":"2026-05-12T19:25:55.101Z"}}]}}