CVE-2026-53421
Published:July 20, 2026
Updated:August 04, 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.
Affected Packages
https://github.com/apache/syncope.git (GITHUB):
Affected version(s) >=syncope-4.0.0 <syncope-4.0.7Fix Suggestion:
Update to version syncope-4.0.7https://github.com/apache/syncope.git (GITHUB):
Affected version(s) >=syncope-4.1.0 <syncope-4.1.2Fix Suggestion:
Update to version syncope-4.1.2org.apache.syncope.core:syncope-core-spring (JAVA):
Affected version(s) >=4.0.0-M0 <4.0.7Fix Suggestion:
Update to version 4.0.7org.apache.syncope.core:syncope-core-spring (JAVA):
Affected version(s) >=4.1.0-M0 <4.1.2Fix Suggestion:
Update to version 4.1.2Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Isolation or Compartmentalization
EPSS
Base Score:
0.68