FUXA: Scheduler API missing admin check enables operator-to-admin escalation via scheduled device actions

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-47721
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-18 20:17:15 UTC
Updated2026-08-19 16:17:12 UTC
DescriptionFUXA 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.

Risk And Classification

Primary CVSS: v3.1 6.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS: 0.003180000 probability, percentile 0.246910000 (date 2026-08-19)

Problem Types: CWE-862 | CWE-862 CWE-862: Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Frangoteam FUXA affected < 1.3.2 Not specified

References

ReferenceSourceLinkTags
github.com/frangoteam/FUXA/releases/tag/v1.3.2 [email protected] github.com
github.com/frangoteam/FUXA/security/advisories/GHSA-8ghr-w65f-j3qr [email protected] github.com
github.com/frangoteam/FUXA/pull/2345 [email protected] github.com
github.com/frangoteam/FUXA/commit/3c945a03f9942fd45a793ab7e3c2d1f1b15b93bf [email protected] github.com
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