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Vulnerability Details CVE-2026-23795

Improper Restriction of XML External Entity Reference vulnerability in Apache Syncope Console. An administrator with adequate entitlements to create or edit Keymaster parameters via Console can construct malicious XML text to launch an XXE attack, thereby causing sensitive data leakage occurs. This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3. Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.5%
CVSS Severity
CVSS v3 Score 4.9
Products affected by CVE-2026-23795
  • 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: 3.0.2
    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


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