What is CVE-2026-40063?

CVE-2026-40063 is a medium-severity vulnerability, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-10-29.

How severe is CVE-2026-40063?

Medium severity. CVSS v3 base score is 5.3 out of 10.

CVE-2026-40063

CVE-2026-40063

A information disclosure vulnerability exists in the /nodered/fuxa/scripts functionality of FUXA (version(s): 1.3.2-2809). A specially crafted HTTP request can lead to an information leak. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

Vulnerability class: Information Disclosure

Published 2026-10-29 · last modified 2026-10-29.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (21.3th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

talosintelligence.com/vulnerability_reports/TALOS-2026-2418

Frequently asked questions

What is CVE-2026-40063?: CVE-2026-40063 is a medium-severity vulnerability, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-10-29.
How severe is CVE-2026-40063?: Medium severity. CVSS v3 base score is 5.3 out of 10.