CVE-2026-53421 PUBLISHED

Apache Syncope: Remote Code Execution via Scripted Connector

Assigner: apache
Reserved: 09.06.2026 Published: 20.07.2026 Updated: 20.07.2026

Improper Isolation or Compartmentalization vulnerability in Apache Syncope.

An administrator with adequate entitlements can achieve remote code execution through the connector subsystem by relying on scripted connectors' (REST and SQL) capability to run Groovy scripts.

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 hardening the Groovy security sandbox.

Product Status

Vendor Apache Software Foundation
Product Apache Syncope
Versions Default: unaffected
  • affected from 3.0.0-M0 to 3.0.16 (incl.)
  • affected from 4.0.0-M0 to 4.0.6 (incl.)
  • affected from 4.1.0-M0 to 4.1.1 (incl.)

Credits

  • follycat, Y0n3er finder

References

Problem Types

  • CWE-653 Improper Isolation or Compartmentalization CWE