Improper Isolation or Compartmentalization Affecting org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn package, versions [3.0.0-M0,4.0.7)[4.1.0-M0,4.1.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGAPACHESYNCOPEEXTFLOWABLE-19352511
- published27 Aug 2026
- disclosed20 Jul 2026
- creditfollycat, Y0n3er
Introduced: 20 Jul 2026
CVE-2026-53421 (opens in a new tab)How to fix?
Upgrade org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn to version 4.0.7, 4.1.2 or higher.
Overview
org.apache.syncope.ext.flowable:syncope-ext-flowable-bpmn is an Open Source system for managing digital identities in enterprise environments,
Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization through FlowableWorkflowContext.processEngineConfiguration and the Groovy script engine used for scriptTask evaluation. An administrator with the right entitlements can achieve remote code execution by supplying malicious Groovy code in a scripted workflow connector or script task. This affects users who run Syncope’s Flowable-based workflow or scripted connector features, allowing crafted scripts to execute with server-side privileges and compromise the application server.