Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service_CVE-2026-23822

{
    "lastseen": "",
    "description": "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",
    "published": "2026-05-12T18:37:08.787Z",
    "modified": "2026-05-12T19:25:55.101Z",
    "type": "cve",
    "title": "Unauthenticated XML External Entity Injection in AOS-8 Instant allows Denial of Service",
    "source": "hpe",
    "references": "https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05049en_us&docLocale=en_US",
    "id": "CVE-2026-23822",
    "bulletinFamily": "",
    "cwe": [
        "CWE-776"
    ],
    "cvelist": null,
    "sourceData": "Hewlett Packard Enterprise (HPE) ArubaOS (AOS) 8.13.0.0\nHewlett Packard Enterprise (HPE) ArubaOS (AOS) 8.12.0.0\nHewlett Packard Enterprise (HPE) ArubaOS (AOS) 8.10.0.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "ArubaOS (AOS)",
    "version": "8.13.0.0",
    "vendor": "Hewlett Packard Enterprise (HPE)",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}