Critical severity · published Feb 9, 2026
CVE-2026-25939
FUXA Unauthenticated Remote Arbitrary Scheduler Write
9.1
CVSS
12.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)12.7% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FU
FUXA · frangoteam
< 1.2.11 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25939
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25939
Patch
https://github.com/frangoteam/FUXA/commit/5782b35117a9bd14ffcb881f8dfb8c6680157d9b
Release Notes
https://github.com/frangoteam/FUXA/releases/tag/v1.2.11
Vendor Advisory
https://github.com/frangoteam/FUXA/security/advisories/GHSA-c869-jx4c-q5fc
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