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Critical Security Flaw Found in Orkes Conductor Software

A serious security weakness has been found in Orkes Conductor software versions before 3.30.2. This flaw could let attackers run harmful commands on your system without needing to log in first. It is important because some small businesses use this software or similar technology, and if exploited, it could lead to data loss or system damage.

18 September 2026

Reference: CVE-2026-58138

1. What is being reported?

The report describes a critical vulnerability in Orkes Conductor software that allows attackers to send specially crafted workflow instructions containing malicious code. This code can run on the system without any authentication, meaning attackers do not need a password or account to exploit it. The problem lies in how the software evaluates these instructions using certain programming tools that are not properly restricted.

2. What this means in plain English

For a small organisation, this means that if you use Orkes Conductor software or similar tools, attackers could potentially take control of your systems remotely. This could lead to theft of sensitive information, disruption of your services, or damage to your IT infrastructure. The risk is especially high if the software is accessible from the internet or not properly secured.

3. Could this affect a small business?

Small businesses that use Orkes Conductor versions before 3.30.2 or related workflow automation tools could be affected. If you do not use this software or similar products, you are unlikely to be impacted. It is best to check with your IT provider to confirm whether your systems use this software.

4. What to do now

  • Check if your organisation uses Orkes Conductor software and identify the version number.
  • If you use Orkes Conductor, ask your IT provider to update it to version 3.30.2 or later as soon as possible.
  • Ensure that access to workflow APIs is restricted and not exposed to the internet without proper security controls.
  • Monitor your systems for unusual activity and review security settings related to workflow automation tools.

5. Ask your IT provider

Can you confirm if we use Orkes Conductor software, and if so, have we updated it to version 3.30.2 or later to address the recent critical vulnerability?

6. Bottom line

If you use Orkes Conductor, update it promptly to prevent attackers from taking control of your systems.

Information based on CISA KEV, NVD and reputable security reporting.

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