OpenChoreo up to 1.0.3/1.1.3/1.2.0-rc.1 Workflow Plane os command injection

Summaryinfo

A vulnerability described as very critical has been identified in OpenChoreo up to 1.0.3/1.1.3/1.2.0-rc.1. The affected element is an unknown function of the component Workflow Plane. Such manipulation leads to os command injection. This vulnerability is uniquely identified as CVE-2026-73667. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in OpenChoreo up to 1.0.3/1.1.3/1.2.0-rc.1 and classified as very critical. Affected by this issue is an unknown code block of the component Workflow Plane. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.4, 1.1.4, and 1.2.0-rc.2, OpenChoreo Workflow Plane templates under samples/getting-started/workflow-templates/ interpolated developer-controlled workflow parameters into shell program text executed through sh -c instead of passing the values through container.env, allowing arbitrary commands to run in workflow pods while affected privileged Podman templates lacked hostUsers: false. This issue is fixed in versions 1.0.4, 1.1.4, and 1.2.0-rc.2.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-73667 since 08/13/2026. The exploitation is known to be easy. The attack may be launched remotely. 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 08/14/2026). The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 1.0.4, 1.1.4 or 1.2.0-rc.2 eliminates this vulnerability.

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Productinfo

Name

• OpenChoreo

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.2.0-rc.0
• 1.2.0-rc.1

Website

• Product: https://github.com/openchoreo/openchoreo/

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