What is CVE-2026-42922?

CVE-2026-42922 is a critical-severity vulnerability, classified under Improper Authorization. CVSS score: 9.8/10. Published 2026-10-29.

How severe is CVE-2026-42922?

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

CVE-2026-42922

CVE-2026-42922

A authorization bypass vulnerability exists in the /nodered functionality of FUXA (version(s): 1.3.2-2809). A specially crafted HTTP request can lead to a arbitrary code execution. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

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

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: 0.005 (45.0th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% 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-285 — Improper Authorization

References

talosintelligence.com/vulnerability_reports/TALOS-2026-2419

Frequently asked questions

What is CVE-2026-42922?: CVE-2026-42922 is a critical-severity vulnerability, classified under Improper Authorization. CVSS score: 9.8/10. Published 2026-10-29.
How severe is CVE-2026-42922?: Critical severity. CVSS v3 base score is 9.8 out of 10.