What is CVE-2026-1066?

CVE-2026-1066 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-01-17.

How severe is CVE-2026-1066?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Kalcaddle Kodbox

CVE-2026-1066

A vulnerability was detected in kalcaddle kodbox up to 1.61.10. This issue affects some unknown processing of the file /?explorer/index/zip of the component Compression Handler. The manipulation results in command injection. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.056 (92.5th percentile) — read the EPSS interpretation.

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.

Affected products

Kalcaddle Kodbox — versions 1.61.0, 1.61.1, 1.61.2
Kodcloud Kodbox

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2026-1066?: CVE-2026-1066 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-01-17.
How severe is CVE-2026-1066?: Medium severity. CVSS v3 base score is 6.3 out of 10.