CVE-2026-43946 PUBLISHED

FUXA has an unauthenticated arbitrary tag value disclosure via /api/getTagValue

Assigner: GitHub_M
Reserved: 04.05.2026 Published: 21.07.2026 Updated: 22.07.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 7.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	frangoteam
Product	FUXA
Versions	Version = 1.3.0 is affected

References

Problem Types

CWE-863: Incorrect Authorization CWE