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Vulnerability Details CVE-2026-42797

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.2%
CVSS Severity
CVSS v3 Score 4.9
Products affected by CVE-2026-42797
  • Apache » Syncope » Version: 3.0.0
    cpe:2.3:a:apache:syncope:3.0.0
  • Apache » Syncope » Version: 3.0.1
    cpe:2.3:a:apache:syncope:3.0.1
  • Apache » Syncope » Version: 3.0.10
    cpe:2.3:a:apache:syncope:3.0.10
  • Apache » Syncope » Version: 3.0.11
    cpe:2.3:a:apache:syncope:3.0.11
  • Apache » Syncope » Version: 3.0.12
    cpe:2.3:a:apache:syncope:3.0.12
  • Apache » Syncope » Version: 3.0.13
    cpe:2.3:a:apache:syncope:3.0.13
  • Apache » Syncope » Version: 3.0.14
    cpe:2.3:a:apache:syncope:3.0.14
  • Apache » Syncope » Version: 3.0.15
    cpe:2.3:a:apache:syncope:3.0.15
  • Apache » Syncope » Version: 3.0.16
    cpe:2.3:a:apache:syncope:3.0.16
  • Apache » Syncope » Version: 3.0.2
    cpe:2.3:a:apache:syncope:3.0.2
  • Apache » Syncope » Version: 3.0.3
    cpe:2.3:a:apache:syncope:3.0.3
  • Apache » Syncope » Version: 3.0.4
    cpe:2.3:a:apache:syncope:3.0.4
  • Apache » Syncope » Version: 3.0.5
    cpe:2.3:a:apache:syncope:3.0.5
  • Apache » Syncope » Version: 3.0.6
    cpe:2.3:a:apache:syncope:3.0.6
  • Apache » Syncope » Version: 3.0.7
    cpe:2.3:a:apache:syncope:3.0.7
  • Apache » Syncope » Version: 3.0.8
    cpe:2.3:a:apache:syncope:3.0.8
  • Apache » Syncope » Version: 3.0.9
    cpe:2.3:a:apache:syncope:3.0.9
  • Apache » Syncope » Version: 4.0.0
    cpe:2.3:a:apache:syncope:4.0.0
  • Apache » Syncope » Version: 4.0.1
    cpe:2.3:a:apache:syncope:4.0.1
  • Apache » Syncope » Version: 4.0.2
    cpe:2.3:a:apache:syncope:4.0.2
  • Apache » Syncope » Version: 4.0.3
    cpe:2.3:a:apache:syncope:4.0.3
  • Apache » Syncope » Version: 4.0.4
    cpe:2.3:a:apache:syncope:4.0.4
  • Apache » Syncope » Version: 4.1.0
    cpe:2.3:a:apache:syncope:4.1.0


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