Apache Syncope up to 3.0.16/4.0.7/4.1.2 Groovy Command code injection

Summaryinfo

A vulnerability labeled as problematic has been found in Apache Syncope up to 3.0.16/4.0.7/4.1.2. This affects an unknown function of the component Groovy Command. Such manipulation leads to code injection. This vulnerability is uniquely identified as CVE-2026-77147. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apache Syncope up to 3.0.16/4.0.7/4.1.2. It has been rated as problematic. Affected by this issue is an unknown part of the component Groovy Command. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at lists.apache.org. This vulnerability is handled as CVE-2026-77147 since 08/20/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/14/2026). The MITRE ATT&CK project declares the attack technique as T1059.

Upgrading to version 4.0.8 or 4.1.3 eliminates this vulnerability.

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Productinfo

Vendor

• Apache

Name

• Syncope

Version

• 3.0.0
• 3.0.1
• 3.0.2
• 3.0.3
• 3.0.4
• 3.0.5
• 3.0.6
• 3.0.7
• 3.0.8
• 3.0.9
• 3.0.10
• 3.0.11
• 3.0.12
• 3.0.13
• 3.0.14
• 3.0.15
• 3.0.16
• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7
• 4.1.0
• 4.1.1
• 4.1.2

License

• open-source

Website

• Vendor: https://www.apache.org/

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CPE 2.2info

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