CVE-2026-25939FUXA Unauthenticated Remote Arbitrary Scheduler Write
- 9.3CriticalCVSS base score
- 24.3%Exploitation in 30 daysEPSS · top 2.1% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template for it.
Show the exploits1
Nuclei templates1 template
- FUXA - Authorization Bypass (Nuclei template) (opens in a new tab)
http/cves/2026/CVE-2026-25939.yamlSeverity critical
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By GitHub_M
Published
- 2 days later
· 2 days later
Record updated
- 9 months later
· 9 months later
Public exploit appeared
A proof of concept or exploit was published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 4.0 | Critical9.3 | 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 |
| NVDNVD · Analyzed | 4.0 | Critical9.3 | 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 |
- EPSS (exploitation in 30 days)
- 24.3% · top 2.1% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.
Affected products
- affected < 1.2.11
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmfuxa-serverGHSA-c869-jx4c-q5fc (opens in a new tab)
References
References3
- https://github.com/frangoteam/FUXA/security/advisories/GHSA-c869-jx4c-q5fc (opens in a new tab)x_refsource_CONFIRM
- https://github.com/frangoteam/FUXA/commit/5782b35117a9bd14ffcb881f8dfb8c6680157d9b (opens in a new tab)x_refsource_MISC
- https://github.com/frangoteam/FUXA/releases/tag/v1.2.11 (opens in a new tab)x_refsource_MISC
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-6250 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-c869-jx4c-q5fc (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-25939)Record last updated .