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CVE-2026-25939

36
FAUCET Score

CVE-2026-25939 is an authorization bypass vulnerability affecting FUXA versions 1.2.8 through 1.2.10, a web-based SCADA/HMI software. This flaw allows an unauthenticated, remote attacker to create and modify arbitrary schedulers, potentially compromising connected industrial control systems. With a CVSS score of 9.1 (CRITICAL), it presents a high-impact risk due to its network-based attack vector and lack of user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.2.8, < 1.2.11CPE matchmatch criteria
cpe:2.3:a:frangoteam:fuxa:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

9.3CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
HIGH
SS Availability
HIGH
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
11.39%
Probability of exploitation in next 30 days
EPSS Percentile
95.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1139 is in the 91st percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: fuxa-serverFixed in: 1.2.11

Vendor Advisories (1)

npmGHSA-c869-jx4c-q5fccritical

FUXA Unauthenticated Remote Arbitrary Scheduler Write

Feb 10, 2026

References

github.com / frangoteam/FUXA/commit/5782b35117a9bd14ffcb881f8dfb8c6680157d9b
Patch
github.com / frangoteam/FUXA/releases/tag/v1.2.11
Release Notes
github.com / frangoteam/FUXA/security/advisories/GHSA-c869-jx4c-q5fc
Vendor Advisory