CVE-2026-43946: frangoteam FUXA · Incorrect Authorization
Affects frangoteam FUXASource CVE Database V5
Public exploit available · CVSS 7.7 High.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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:PExploitation evidence
Disclosed: evidence found.
CVE published 21 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| frangoteamFUXA | Affected
| Fixed in– |
GitHubfrangoteam/FUXApkg:github/frangoteam/FUXAOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade FUXA to version 1.3.1 or later, where this authorization bypass vulnerability is patched. No official vendor advisory or patch link is provided, but the description explicitly states version 1.3.1 resolves the issue. Until upgrading, restrict access to the /api/getTagValue endpoint to trusted users or networks as a temporary measure.
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.
References
- github.com/frangoteam/FUXA/security/advisories/GHSA-fwcm-rqvw-j3p7 (opens in a new tab)
- github.com/frangoteam/FUXA/pull/2260 (opens in a new tab)
- github.com/frangoteam/FUXA/commit/78534da61a91613712b44bb63c8d7da8c5df5ca4 (opens in a new tab)
- github.com/frangoteam/FUXA/releases/tag/v1.3.1 (opens in a new tab)