What is CVE-2026-4592?

CVE-2026-4592 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Improper Authentication. CVSS score: 5.6/10. Published 2026-03-23.

How severe is CVE-2026-4592?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Auth bypass in Kalcaddle Kodbox

CVE-2026-4592

A security vulnerability has been detected in kalcaddle kodbox 1.64. This impacts the function loginAfter/tfaVerify of the file /workspace/source-code/plugins/client/controller/tfa/index.class.php of the component Password Login. The manip…

Vulnerability class: Broken Authentication

EPSS: 0.001 (24.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Kalcaddle Kodbox — versions 1.64

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

VDB-352428 | kalcaddle kodbox Password Login index.class.php tfaVerify improper authentication (technical-description, vdb-entry)
VDB-352428 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #775471 | Kodbox 1.64 Incorrect Authorization (third-party-advisory)
cna@vuldb.com (exploit, broken-link)

Frequently asked questions

What is CVE-2026-4592?: CVE-2026-4592 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Improper Authentication. CVSS score: 5.6/10. Published 2026-03-23.
How severe is CVE-2026-4592?: Medium severity. CVSS v3 base score is 5.6 out of 10.