Auth bypass in Frangoteam Fuxa

CVE-2026-43946

FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. Version 1.3.0 has an authorization bypass in the /api/getTagValue endpoint allows unauthenticated access to tag values when the referenced script does not exist. Version 1.3.1 patches the issue.

Vulnerability class: Broken Access Control

EPSS: 0.006 (44.9th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References