ThingsBoard up to 4.3.1.1 YAML /api/v1/provision getGatewayDockerComposeFile code injection

Summaryinfo

A vulnerability was found in ThingsBoard up to 4.3.1.1. It has been declared as critical. Affected by this issue is the function getGatewayDockerComposeFile of the file /api/v1/provision of the component YAML Handler. Such manipulation leads to code injection. This vulnerability is referenced as CVE-2026-9568. It is possible to launch the attack remotely. No exploit is available. The project was informed of the problem early through a pull request but has not reacted yet.

Detailsinfo

A vulnerability was found in ThingsBoard up to 4.3.1.1 and classified as critical. Affected by this issue is the function getGatewayDockerComposeFile of the file /api/v1/provision of the component YAML Handler. 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.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-9568. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/26/2026). This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

The project was informed of the problem early through a pull request but has not reacted yet.

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

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Productinfo

Type

• Forum Software

Name

• ThingsBoard

Version

• 4.3.1.0
• 4.3.1.1

Website

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

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Accepted

• Submit #817064: ThingsBoard ThingsBoard Community Edition 3.6.2 through 4.3.1.1 Code Injection (by sunshinetoyou)

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