Auth bypass in Frangoteam Fuxa
CVE-2026-25752
FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. An authorization bypass vulnerability in FUXA allows an unauthenticated, remote attacker to modify device tags via WebSockets. Exploitation allows an unauthenticated, remote attacker to bypass role-based access controls and overwrite arbitrary device tags or disable communication drivers, exposing connected ICS/SCADA environments to follow-on actions. This may allow an attacker to manipulate physical processes and disconnected devices from the HMI. This affects FUXA through version 1.2.9. This issue has been patched in FUXA version 1.2.10.
Vulnerability class: Broken Access Control
EPSS: 0.005 (38.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Frangoteam Fuxa — versions < 1.2.10
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-25752?
- CVE-2026-25752 is a critical-severity vulnerability in Frangoteam Fuxa, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-02-06.
- How severe is CVE-2026-25752?
- Critical severity. CVSS v3 base score is 9.1 out of 10.