What is CVE-2026-25939?

CVE-2026-25939 is a critical-severity vulnerability in Frangoteam Fuxa, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-02-09.

How severe is CVE-2026-25939?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Frangoteam Fuxa

CVE-2026-25939

FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. From 1.2.8 through version 1.2.10, an authorization bypass vulnerability in the FUXA allows an unauthenticated, remote attacker to create and modify arbitrary sched…

Vulnerability class: Broken Access Control

EPSS: 0.120 (95.6th 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 < 1.2.11

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-25939?: CVE-2026-25939 is a critical-severity vulnerability in Frangoteam Fuxa, classified under Missing Authorization. CVSS score: 9.1/10. Published 2026-02-09.
How severe is CVE-2026-25939?: Critical severity. CVSS v3 base score is 9.1 out of 10.