CVE-2026-42797

CVE-2026-42797: Apache Syncope: JexlContextBuilder Information Disclosure

Vendor Apache Software Foundation
Product Apache Syncope
Weakness CWE-202
Published May 25, 2026
Last update May 26, 2026

CVSS base score

What the vulnerability does

Description

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.

Key dates

Disclosure timeline

May 25, 2026 CVE published
May 26, 2026 Record updated