What is CVE-2026-25893?

CVE-2026-25893 is a critical-severity vulnerability in Frangoteam Fuxa, classified under Improper Authorization. CVSS score: 9.8/10. Published 2026-02-09.

How severe is CVE-2026-25893?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Frangoteam Fuxa

CVE-2026-25893

FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. Prior to 1.2.10, an authentication bypass vulnerability in FUXA allows an unauthenticated, remote attacker to gain administrative access via the heartbeat refresh API and execute arbitrary code on the server. This issue has been patched in FUXA version 1.2.10.

Published 2026-02-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.011 · change: +0.004

Affected products

Frangoteam Fuxa — versions < 1.2.10

Weakness classification (CWE)

References

github.com/frangoteam/FUXA/security/advisories/GHSA-vwcg-c828-9822 (Patch, Vendor Advisory)
github.com/frangoteam/FUXA/commit/fe82348d160904d0013b9a3e267d50158f5c7afb (Patch)

Frequently asked questions

What is CVE-2026-25893?: CVE-2026-25893 is a critical-severity vulnerability in Frangoteam Fuxa, classified under Improper Authorization. CVSS score: 9.8/10. Published 2026-02-09.
How severe is CVE-2026-25893?: Critical severity. CVSS v3 base score is 9.8 out of 10.