IBM WebSphere Application Server is affected by remote code execution_CVE-2026-9330

{
    "lastseen": "",
    "description": "IBM WebSphere Application Server 9.0, and 8.5 is affected by an improper validation of user-supplied data during deserialization using the SAML Web Single Sign-On component. This could result in remote code execution via a crafted HTTP request when combined with a suitable gadget chain.",
    "published": "2026-06-01T18:01:06.482Z",
    "modified": "2026-06-01T18:01:06.482Z",
    "type": "cve",
    "title": "IBM WebSphere Application Server is affected by remote code execution",
    "source": "ibm",
    "references": "https://www.ibm.com/support/pages/node/7274733",
    "id": "CVE-2026-9330",
    "bulletinFamily": "",
    "cwe": [
        "CWE-502"
    ],
    "cvelist": null,
    "sourceData": "IBM WebSphere Application Server 9.0\nIBM WebSphere Application Server 8.5",
    "sourceHref": "",
    "cvss": {
        "score": 8.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/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": "WebSphere Application Server",
    "version": "9.0",
    "vendor": "IBM",
    "ai_description": "Remote code execution vulnerability in IBM WebSphere Application Server via crafted HTTP request",
    "ai_severity": "High",
    "ai_vendor": "IBM",
    "ai_product": "WebSphere Application Server",
    "ai_version": "8.5, 9.0",
    "ai_score": 8.5
}