CVE-2026-43946

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

State: Published
Severity: 7.7 High
Published: Jul 21, 2026
Updated: Jul 22, 2026
Reserved: May 4, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	7.7 High	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	GitHub_M

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
FUXAfrangoteam	= 1.3.0Affected

References

https://github.com/frangoteam/FUXA/security/advisories/GHSA-fwcm-rqvw-j3p7
https://github.com/frangoteam/FUXA/pull/2260
https://github.com/frangoteam/FUXA/commit/78534da61a91613712b44bb63c8d7da8c5df5ca4
https://github.com/frangoteam/FUXA/releases/tag/v1.3.1

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