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vuln-cve/data/2026/109xxx/CVE-2026-109083.json
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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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"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"
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"source": {
"discovery": "UNKNOWN"
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"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"
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"status": "affected",
"version": "4.0.0-M0",
"lessThanOrEqual": "4.0.8",
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"status": "affected",
"version": "4.1.0",
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"collectionURL": "https://repo.maven.apache.org/maven2",
"packageName": "org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn"
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"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.",
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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": [
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"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"
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"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2026/11/02/7"
}
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"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"dateUpdated": "2026-11-02T21:05:09.784Z"
}
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"metrics": [
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"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"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-11-06T18:36:16.915169Z",
"id": "CVE-2026-109083",
"options": [
{
"Exploitation": "none"
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"Automatable": "yes"
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{
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"role": "CISA Coordinator",
"version": "2.0.3"
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],
"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2026-11-06T18:36:36.998Z"
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}