What is CVE-2026-39439?

CVE-2026-39439 is a medium-severity vulnerability in Kiera Howe Websamurai, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-02.

How severe is CVE-2026-39439?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Kiera Howe Websamurai

CVE-2026-39439

Missing Authorization vulnerability in Kiera Howe WebSamurai websamurai allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WebSamurai: from n/a through 1.0.7.

Vulnerability class: Broken Access Control

Published 2026-10-02 · last modified 2026-10-02.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Kiera Howe Websamurai

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

patchstack.com/database/wordpress/plugin/websamurai/vulnerability/wordpress-web… (vdb-entry)

Frequently asked questions

What is CVE-2026-39439?: CVE-2026-39439 is a medium-severity vulnerability in Kiera Howe Websamurai, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-02.
How severe is CVE-2026-39439?: Medium severity. CVSS v3 base score is 6.5 out of 10.