CVE-2026-43946: Auth Bypass

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.

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Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

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

Frequently Asked Questions

What is 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.

How do I check if I'm vulnerable to CVE-2026-43946? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-43946