frangoteam FUXA up to 1.3.1 Scheduler Settings index.js permission

Summaryinfo

A vulnerability was found in frangoteam FUXA up to 1.3.1. It has been rated as critical. This affects an unknown part of the file server/api/scheduler/index.js of the component Scheduler Settings. Performing a manipulation results in permission. This vulnerability is known as CVE-2026-47721. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in frangoteam FUXA up to 1.3.1. It has been classified as critical. This affects an unknown function of the file server/api/scheduler/index.js of the component Scheduler Settings. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. Prior to 1.3.2, POST /api/scheduler and DELETE /api/scheduler in server/api/scheduler/index.js do not consistently enforce authJwt.haveAdminPermission for scheduler settings. An authenticated non-admin operator can create or alter deviceActions that invoke onSetValue or onRunScript, or delete schedules, gaining access to device-value changes and server-side project script execution normally reserved for administrators. Scheduled and repeating actions can continue changing PLC setpoints, safety interlocks, device state, or project data after the operator's session ends. This issue is fixed in version 1.3.2.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-47721 since 05/19/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 1.3.2 eliminates this vulnerability.

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Productinfo

Vendor

• frangoteam

Name

• FUXA

Version

• 1.3.0
• 1.3.1

Website

• Product: https://github.com/frangoteam/FUXA/

CPE 2.3info

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CPE 2.2info

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