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  4. CVE 2026 109083 apache syncope remote code execution via flowable
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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-109083

Apache Syncope: Remote Code Execution via Flowable JUEL expressionCVE-2026-109083

Answer in brief

CVE-2026-109083 records a Unknown severity vulnerability in Apache Syncope: Remote Code Execution via Flowable JUEL expression. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 2, 2026Updated Nov 2, 2026Source checked Nov 2, 2026First seen by HOL Nov 2, 2026Material review Nov 2, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmngeneric>=3.0.0-M0 <=3.0.16 || >=4.0.0-M0 <=4.0.8 || >=4.1.0 <=4.1.3Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 2, 2026

Sources and claim methodology

  • Source referencelists.apache.org
Upstream source description

Improper isolation or compartmentalization vulnerability in Apache Syncope. 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. 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. Users are recommended to upgrade to version 4.0.9 / 4.1.4, which fix this issue by rejecting BPMN definitions including expression attributes.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
RCE
EPSS
Not reported
CWE IDs
CWE-653
Source
CVE List V5
Source checked
Nov 2, 2026
References
1 linked source
Open source record