CVE-2026-43946

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

Published Jul 21, 2026 CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-fwcm-rqvw-j3p7 FUXA has an unauthenticated arbitrary tag value disclosure via /api/getTagValue
History
Type Values Removed Values Added
First Time appeared Frangoteam
Frangoteam fuxa
Vendors & Products Frangoteam
Frangoteam fuxa
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title FUXA has an unauthenticated arbitrary tag value disclosure via /api/getTagValue
Weaknesses CWE-863
References
Metrics cvssV4_0

{'score': 7.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jul 22, 2026, 3:02 PM
Reserved
May 4, 2026, 4:59 PM
Status
Deferred
Published
Jul 21, 2026, 10:17 PM
Modified
Oct 24, 2026, 7:10 PM