Auth bypass in Decolua 9router

CVE-2026-10269

A security vulnerability has been detected in decolua 9router up to 0.4.0. This issue affects the function isAuthenticated of the file src/dashboardGuard.js of the component HTTP Header Handler. The manipulation of the argument Host leads to improper authorization. The attack is possible to be carried out remotely. Upgrading to version 0.4.1 is capable of addressing this issue. The identifier of the patch is 428e2c045cb9c0eb8080e8b580471a9c2eaa95ca. Upgrading the affected component is recommended.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (18.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-10269: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-10269?
CVE-2026-10269 is a medium-severity vulnerability in Decolua 9router, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-06-01.
How severe is CVE-2026-10269?
Medium severity. CVSS v3 base score is 6.3 out of 10.