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CVE-2026-25939

Frangoteam Fuxa broken access control

9.1 CRITICALEPSS 0.86%
  1. Published9 Feb 2026

Description

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 schedulers, exposing connected ICS/SCADA environments to follow-on actions. This has been patched in FUXA version 1.2.11.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected products

Frangoteam Fuxa≥ 1.2.8 < 1.2.11

Frequently asked

Is CVE-2026-25939 being actively exploited?

CVE-2026-25939 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.86%.

How severe is CVE-2026-25939?

CVE-2026-25939 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.86% probability of exploitation.

Which products are affected by CVE-2026-25939?

Affected products include Frangoteam Fuxa.

How do I fix CVE-2026-25939?

Upgrade affected software to a fixed version, for example Frangoteam Fuxa 1.2.11 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-25939 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.