PowerJob 5.1.0/5.1.1/5.1.2 OpenAPI Endpoint /openApi/addWorkflowNode GroovyEvaluator.evaluate nodeParams code injection

Summaryinfo

A vulnerability was found in PowerJob 5.1.0/5.1.1/5.1.2. It has been rated as critical. The impacted element is the function GroovyEvaluator.evaluate of the file /openApi/addWorkflowNode of the component OpenAPI Endpoint. This manipulation of the argument nodeParams causes code injection. This vulnerability is tracked as CVE-2026-5739. The attack is possible to be carried out remotely. No exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability has been found in PowerJob 5.1.0/5.1.1/5.1.2 and classified as critical. Affected by this vulnerability is the function GroovyEvaluator.evaluate of the file /openApi/addWorkflowNode of the component OpenAPI Endpoint. The manipulation of the argument nodeParams with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-5739. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/07/2026). The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• PowerJob

Version

• 5.1.0
• 5.1.1
• 5.1.2

Website

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

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Accepted

• Submit #786936: PowerJob 5.1.0/5.1.1/5.1.2 Code Injection (by anch0r)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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