Vulnerability Details CVE-2026-42782
Improper Isolation or Compartmentalization vulnerability in Apache Syncope.
An administrator with adequate entitlements for Implementations can create a malicious Groovy class containing untrusted code reaching a non-sandboxed execution path via the class static initializer.
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 forcing even the static initializer in Groovy code to run in a sandbox.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.5%
CVSS Severity
CVSS v3 Score 7.2
Products affected by CVE-2026-42782
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cpe:2.3:a:apache:syncope:3.0.0
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cpe:2.3:a:apache:syncope:3.0.1
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cpe:2.3:a:apache:syncope:3.0.10
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cpe:2.3:a:apache:syncope:3.0.11
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cpe:2.3:a:apache:syncope:3.0.12
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cpe:2.3:a:apache:syncope:3.0.13
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cpe:2.3:a:apache:syncope:3.0.14
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cpe:2.3:a:apache:syncope:3.0.15
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cpe:2.3:a:apache:syncope:3.0.16
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cpe:2.3:a:apache:syncope:3.0.2
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cpe:2.3:a:apache:syncope:3.0.3
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cpe:2.3:a:apache:syncope:3.0.4
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cpe:2.3:a:apache:syncope:3.0.5
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cpe:2.3:a:apache:syncope:3.0.6
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cpe:2.3:a:apache:syncope:3.0.7
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cpe:2.3:a:apache:syncope:3.0.8
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cpe:2.3:a:apache:syncope:3.0.9
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cpe:2.3:a:apache:syncope:4.0.0
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cpe:2.3:a:apache:syncope:4.0.1
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cpe:2.3:a:apache:syncope:4.0.2
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cpe:2.3:a:apache:syncope:4.0.3
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cpe:2.3:a:apache:syncope:4.0.4
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cpe:2.3:a:apache:syncope:4.1.0