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    "cveMetadata": {
        "cveId": "CVE-2026-109083",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "state": "PUBLISHED",
        "assignerShortName": "apache",
        "dateReserved": "2026-10-12T06:15:31.398Z",
        "datePublished": "2026-11-02T13:04:15.094Z",
        "dateUpdated": "2026-11-06T18:36:36.998Z"
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                "shortName": "apache",
                "dateUpdated": "2026-11-02T13:04:15.094Z"
            },
            "title": "Apache Syncope: Remote Code Execution via Flowable JUEL expression",
            "problemTypes": [
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                    "descriptions": [
                        {
                            "description": "CWE-653 Improper isolation or compartmentalization",
                            "lang": "en",
                            "cweId": "CWE-653",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "affected": [
                {
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Syncope",
                    "packageURL": "pkg:maven/org.apache.syncope.ext.flowable/syncope-ext-flowable-bpmn",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.0.0-M0",
                            "lessThanOrEqual": "3.0.16",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "4.0.0-M0",
                            "lessThanOrEqual": "4.0.8",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "4.1.0",
                            "lessThanOrEqual": "4.1.3",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "collectionURL": "https://repo.maven.apache.org/maven2",
                    "packageName": "org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn"
                }
            ],
            "descriptions": [
                {
                    "value": "Improper isolation or compartmentalization vulnerability in Apache Syncope.\n\nAn administrator with adequate entitlements can import arbitrary BPMN process definitions via the REST API and then start the process. When a BPMN process containing a JUEL expression is imported and started, the expression is executed directly on the server, with no sandbox.\n\n\n\nThis issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 through 4.0.8, from 4.1.0 through 4.1.3.\n\n\n\nUsers are recommended to upgrade to version 4.0.9 / 4.1.4, which fix this issue by rejecting BPMN definitions including expression attributes.",
                    "lang": "en",
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                            "value": "<p>Improper isolation or compartmentalization vulnerability in Apache Syncope.<br><br>An administrator with adequate entitlements can import arbitrary BPMN process definitions via the REST API and then start the process. When a BPMN process containing a JUEL expression is imported and started, the expression is executed directly on the server, with no sandbox.</p><p>This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 through 4.0.8, from 4.1.0 through 4.1.3.</p><p>Users are recommended to upgrade to version 4.0.9 / 4.1.4, which fix this issue by rejecting BPMN definitions including expression attributes.</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://lists.apache.org/thread.html/zmzxzxv7wjzn071jgn069y2rqjpcrt3s",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "other": {
                        "type": "Textual description of severity",
                        "content": {
                            "text": "moderate"
                        }
                    },
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                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Josh Bressers",
                    "type": "coordinator"
                },
                {
                    "lang": "en",
                    "value": "Yll Berisha",
                    "type": "finder"
                }
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                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "http://www.openwall.com/lists/oss-security/2026/11/02/7"
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                    "dateUpdated": "2026-11-02T21:05:09.784Z"
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            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
                        }
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                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-11-06T18:36:16.915169Z",
                                "id": "CVE-2026-109083",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
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