Malicious Code Vulnerability in gitlab-orchestrator: Critical Risk Identified

gitlab-orchestrator Updated 16 Apr 2026

Summary

16/04/2026
CRITICAL
No i
Critical
Not published

MAL-2026-2814: Malicious code in gitlab-orchestrator (RubyGems). Affects gitlab-orchestrator versions 99.99.10 – 99.99.9. No fix is published. How to fix ↓

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Background

gitlab-orchestrator is a RubyGems package designed to facilitate orchestration tasks within GitLab environments. It provides essential functionalities for managing and automating workflows, making it a vital tool for developers and DevOps teams. However, recent findings have revealed a significant vulnerability that exposes users to potential malicious code execution.

Vulnerability Detail

The vulnerability identified in gitlab-orchestrator stems from the inclusion of malicious code within specific versions of the package (99.99.9 and 99.99.10). This code can lead to unauthorized access, data breaches, and compromise of the integrity of the systems utilizing this package. The malicious code was reported by ReversingLabs and is documented in their findings, highlighting the importance of vigilance when using third-party packages.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

bundle remove gitlab-orchestrator

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As an immediate workaround, users can temporarily disable the use of gitlab-orchestrator in their projects until a secure version is confirmed. Additionally, reviewing and auditing the codebase for any instances where the affected versions are utilized can help minimize exposure.

Conclusion

The discovery of malicious code in the gitlab-orchestrator package underscores the importance of maintaining vigilance when using open-source software. Users are encouraged to update their packages promptly and utilize tools like Vulert to monitor for vulnerabilities in real-time.

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FAQ

The vulnerability involves malicious code embedded in specific versions of the gitlab-orchestrator package, posing risks of unauthorized access and data breaches.

You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.

The affected versions are 99.99.9 and 99.99.10 of the gitlab-orchestrator package.

If immediate updates are not possible, consider disabling the use of gitlab-orchestrator in your projects and reviewing your codebase for any instances of the affected versions.

The vulnerability was reported by ReversingLabs, a security research organization specializing in identifying and analyzing malicious software.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

bundle remove gitlab-orchestrator

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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