CVE-2026-42797
MEDIUMApache Syncope: JexlContextBuilder Information Disclosure
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
https://lists.apache.org/thread/5y7d277sntyytrmxnx2tfjr9ftcpq1s6
Scores
CVSS v3
4.9
EPSS
0.0044
EPSS Percentile
35.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-202
Status
published
Products (8)
apache/syncope
4.1.0
apache/syncope
3.0.0 - 3.0.16
Apache Software Foundation/Apache Syncope
3.0 - 3.0.16
Apache Software Foundation/Apache Syncope
4.0 - 4.0.5
Apache Software Foundation/Apache Syncope
4.1 - 4.1.0
org.apache.syncope.core/syncope-core-provisioning-api
3.0.0-M0 - 3.0.16Maven
org.apache.syncope.core/syncope-core-provisioning-api
4.0.0-M0 - 4.0.6Maven
org.apache.syncope.core/syncope-core-provisioning-api
4.1.0-M0 - 4.1.1Maven
Published
May 25, 2026
Tracked Since
May 25, 2026