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CVE-2026-43946

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

HIGH
7.7
CVSS Score
Published: July 21, 2026 at 09:27 PM UTC
Updated: October 24, 2026 at 07:10 PM UTC
1 product affected across 1 vendorFUXA

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Severity
HIGH7.7
Exploit prediction
EPSS 0.6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

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

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-863

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