Skip to content
OpenAdvisories
Medium · 4.9 CVE-2026-77883 EUVD-2026-77441GHSA-pjhv-6xm9-9cxw

Apache Syncope: Information disclosure via one-hop JEXL navigation past the JexlContextBuilder name denylist

Published Sep 14, 2026 · Updated Sep 14, 2026 · Assigned by apache

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 LinkedAccount's (if present) or Manager's (if defined) sensitive information, possibly including hashed credentials.

This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2.

Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.

Affected products

VendorProductAffectedFixed
Apache Software Foundation Apache Syncope 3.0.0-M0 – ≤ 3.0.16, 4.0.0-M0 – ≤ 4.0.7, 4.1.0-M0 – ≤ 4.1.2 —

References