Apache Syncope 4.1.2 Code Injection via Groovy Security Bypass
CVE-2026-77147 Published on September 14, 2026
Apache Syncope: Groovy Sandbox escape for empty CommandArgs
Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Syncope.
An administrator with adequate entitlements for Implementations can create a malicious Groovy Command class containing untrusted code in their CommandArgs static implementation, bypassing the Groovy security sandbox.
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.
Vulnerability Analysis
CVE-2026-77147 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a Code Injection Vulnerability?
The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CVE-2026-77147 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-77147
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Affected Versions
Apache Software Foundation Apache Syncope:- Version 3.0.0-M0, <= 3.0.16 is affected.
- Version 4.0.0-M0, <= 4.0.7 is affected.
- Version 4.1.0-M0, <= 4.1.2 is affected.