CVE-2026-42797
Published:May 25, 2026
Updated:June 11, 2026
Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.
An administrator with adequate entitlements for Derived Schemas can create a malicious JEXL expression which allows any administrator with sufficient entitlements for User read to access User-related security-sensitive information.
This issue affects Apache Syncope: 3.0 through 3.0.16, 4.0 through 4.0.5, 4.1.0.
Users are recommended to upgrade to version 4.0.6 / 4.1.1, which fix this issue by further restricting the JEXL expression definition.
Affected Packages
https://github.com/apache/syncope.git (GITHUB):
Affected version(s) >=syncope-4.0.0 <syncope-4.0.6Fix Suggestion:
Update to version syncope-4.0.6https://github.com/apache/syncope.git (GITHUB):
Affected version(s) =syncope-4.1.0 <syncope-4.1.1Fix Suggestion:
Update to version syncope-4.1.1org.apache.syncope.core:syncope-core-provisioning-api (JAVA):
Affected version(s) =4.1.0 <4.1.1Fix Suggestion:
Update to version 4.1.1org.apache.syncope.core:syncope-core-provisioning-api (JAVA):
Affected version(s) >=4.0.0 <4.0.6Fix Suggestion:
Update to version 4.0.6Related Resources (2)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information Through Data Queries
EPSS
Base Score:
0.06