{
    "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"
                }
            }
        ]
    }
}