{"dataType": "CVE_RECORD", "dataVersion": "5.2", "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": "2026-11-02T21:05:09.784Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-11-02T13:04:15.094Z"}, "title": "Apache Syncope: Remote Code Execution via Flowable JUEL expression", "problemTypes": [{"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", "supportingMedia": [{"type": "text/html", "base64": false, "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"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "Josh Bressers", "type": "coordinator"}, {"lang": "en", "value": "Yll Berisha", "type": "finder"}], "x_generator": {"engine": "Vulnogram 1.0.3"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/11/02/7"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-11-02T21:05:09.784Z"}}]}}

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{"affected": [{"affectedData": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn", "packageURL": "pkg:maven/org.apache.syncope.ext.flowable/syncope-ext-flowable-bpmn", "product": "Apache Syncope", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "3.0.16", "status": "affected", "version": "3.0.0-M0", "versionType": "semver"}, {"lessThanOrEqual": "4.0.8", "status": "affected", "version": "4.0.0-M0", "versionType": "semver"}, {"lessThanOrEqual": "4.1.3", "status": "affected", "version": "4.1.0", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-109083", "lastModified": "2026-11-02T21:17:22.950", "metrics": {}, "published": "2026-11-02T14:17:35.127", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/zmzxzxv7wjzn071jgn069y2rqjpcrt3s"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/11/02/7"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-653"}], "source": "security@apache.org", "type": "Secondary"}]}

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