{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-23822", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-12T19:25:52.086668Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-776", "description": "CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-12T19:25:49.763Z"}}], "cna": {"title": "Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service", "source": {"advisory": "HPESBNW05049", "discovery": "INTERNAL"}, "credits": [{"lang": "en", "type": "reporter", "value": "Nicholas Starke"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Hewlett Packard Enterprise (HPE)", "product": "ArubaOS (AOS)", "versions": [{"status": "affected", "version": "8.13.0.0", "versionType": "semver", "lessThanOrEqual": "8.13.1.1"}, {"status": "affected", "version": "8.12.0.0", "versionType": "semver", "lessThanOrEqual": "8.12.0.6"}, {"status": "affected", "version": "8.10.0.0", "versionType": "semver", "lessThanOrEqual": "8.10.0.21"}], "defaultStatus": "affected"}], "references": [{"url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "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", "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>", "base64": false}]}], "providerMetadata": {"orgId": "eb103674-0d28-4225-80f8-39fb86215de0", "shortName": "hpe", "dateUpdated": "2026-05-12T18:37:08.787Z"}}}, "cveMetadata": {"cveId": "CVE-2026-23822", "state": "PUBLISHED", "dateUpdated": "2026-05-12T19:25:55.101Z", "dateReserved": "2026-01-16T15:22:49.224Z", "assignerOrgId": "eb103674-0d28-4225-80f8-39fb86215de0", "datePublished": "2026-05-12T18:37:08.787Z", "assignerShortName": "hpe"}, "dataVersion": "5.2"}

{"cveTags": [], "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"}], "id": "CVE-2026-23822", "lastModified": "2026-05-13T15:35:17.550", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "security-alert@hpe.com", "type": "Secondary"}]}, "published": "2026-05-12T19:16:28.947", "references": [{"source": "security-alert@hpe.com", "url": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US"}], "sourceIdentifier": "security-alert@hpe.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-776"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}