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        "cveId": "CVE-2026-87830",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-09-09T11:00:14.995Z",
        "datePublished": "2026-09-30T11:57:01.017Z",
        "dateUpdated": "2026-09-30T19:47:41.782Z"
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                "dateUpdated": "2026-09-30T11:57:01.017Z"
            },
            "title": "Apache WSS4J: Streaming WS-SecurityPolicy validation may skip element-protection checks.",
            "source": {
                "discovery": "UNKNOWN"
            },
            "affected": [
                {
                    "vendor": "Apache Software Foundation",
                    "product": "Apache WSS4J",
                    "packageURL": "pkg:maven/org.apache.wss4j/wss4j-ws-security-policy-stax",
                    "versions": [
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                            "status": "affected",
                            "version": "4.0.0",
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                            "versionType": "semver"
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                    "packageName": "org.apache.wss4j:wss4j-ws-security-policy-stax"
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                {
                    "value": "In the StAX streaming WS-SecurityPolicy validator, certain relative or unsupported XPath expressions can be converted into paths that never match the actual XML element path. A remote SOAP peer may therefore send a required element without the expected signature or encryption.\nUsers are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.",
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                        }
                    ]
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            "references": [
                {
                    "url": "https://lists.apache.org/thread.html/lwlozb1x20d16f9dnyvoygc9rrhzq2vn",
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                }
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                        "type": "Textual description of severity",
                        "content": {
                            "text": "low"
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                            "lang": "en",
                            "value": "GENERAL"
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                    ]
                }
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                {
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                    "value": "Reported by n0mi1k",
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                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/09/30/9"
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                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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                    "dateUpdated": "2026-09-30T12:12:21.163Z"
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            {
                "problemTypes": [
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                        "descriptions": [
                            {
                                "type": "CWE",
                                "cweId": "CWE-917",
                                "lang": "en",
                                "description": "CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')"
                            }
                        ]
                    }
                ],
                "metrics": [
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                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.1,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "NONE",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
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                            "content": {
                                "timestamp": "2026-09-30T19:46:48.561887Z",
                                "id": "CVE-2026-87830",
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                                        "Exploitation": "none"
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                "title": "CISA ADP Vulnrichment",
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