High severity · published Jul 21, 2026
CVE-2026-43946
FUXA has an unauthenticated arbitrary tag value disclosure via /api/getTagValue
7.7
CVSS
0.6%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FU
FUXA · frangoteam
= 1.3.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43946
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-43946
github.com
https://github.com/frangoteam/FUXA/commit/78534da61a91613712b44bb63c8d7da8c5df5ca4
github.com
https://github.com/frangoteam/FUXA/pull/2260
github.com
https://github.com/frangoteam/FUXA/releases/tag/v1.3.1
github.com
https://github.com/frangoteam/FUXA/security/advisories/GHSA-fwcm-rqvw-j3p7
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