What is CVE-2026-4831?

CVE-2026-4831 is a low-severity vulnerability in Kalcaddle Kodbox, classified under Improper Authentication. CVSS score: 3.7/10. Published 2026-03-26.

How severe is CVE-2026-4831?

Low severity. CVSS v3 base score is 3.7 out of 10.

Auth bypass in Kalcaddle Kodbox

CVE-2026-4831

A security flaw has been discovered in kalcaddle kodbox 1.64. Impacted is the function can of the file /workspace/source-code/app/controller/explorer/auth.class.php of the component Password-protected Share Handler. Performing a manipulati…

Vulnerability class: Broken Authentication

EPSS: 0.000 (5.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Kalcaddle Kodbox — versions 1.64

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

VDB-353128 | kalcaddle kodbox Password-protected Share auth.class.php can improper authentication (technical-description, vdb-entry)
VDB-353128 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #775502 | Kodbox 1.64 Improper Access Controls (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-4831?: CVE-2026-4831 is a low-severity vulnerability in Kalcaddle Kodbox, classified under Improper Authentication. CVSS score: 3.7/10. Published 2026-03-26.
How severe is CVE-2026-4831?: Low severity. CVSS v3 base score is 3.7 out of 10.