THREATPORT/VULNERABILITY/CVE-2026-25939
CRITICAL SEVERITY

CVE-2026-25939

Fuxa vulnerability

CVSS
9.1
EPSS
11.4%
EPSS pct
96th
Exploited
No known
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.
Affected vendor
Frangoteam
Affected product
Fuxa
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness type (CWE)
Published
2026-02-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity, high impact to availability.

Its EPSS score of 11.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2026-25939

  • Confirm whether Frangoteam Fuxa is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-25939.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-25939

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-25939 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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