Critical [CVE-2026-53405] Improper Isolation or Compartmentalization vulnerability in Apache Syncope
This critical-severity Apache Software Foundation advisory covers CVE-2026-53405 affecting Apache Syncope.
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Summary
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 Groovy scriptTask is imported and started, the Groovy script 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 4.0.6, from 4.1.0-M0 through 4.1.1.
Users are recommended to upgrade to version 4.0.7 / 4.1.2, which fix this issue by wrapping Flowable's Groovy scriptTasks with security sandbox.
- 3.0.0-M0 through 3.0.16
- 4.0.0-M0 through 4.0.6
- 4.1.0-M0 through 4.1.1.
- through 4.1.1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 4.0.7
- 4.1.2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 4.0.7 / 4.1.2, which fix this issue by wrapping Flowable's Groovy scriptTasks with security sandbox.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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