What is CVE-2026-18720?

CVE-2026-18720 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Incorrect Privilege Assignment. CVSS score: 5.3/10. Published 2026-08-04.

How severe is CVE-2026-18720?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Kalcaddle Kodbox

CVE-2026-18720

A flaw has been found in kalcaddle kodbox 1.67 Build 02. This vulnerability affects unknown code of the file /index.php?plugin/msgWarning/action of the component msgWarning Plugin. Executing a manipulation can lead to improper authorizatio…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Kalcaddle Kodbox — versions 1.67 Build 02

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment
CWE-285 — Improper Authorization

References

cna@vuldb.com (vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)

Frequently asked questions

What is CVE-2026-18720?: CVE-2026-18720 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Incorrect Privilege Assignment. CVSS score: 5.3/10. Published 2026-08-04.
How severe is CVE-2026-18720?: Medium severity. CVSS v3 base score is 5.3 out of 10.