CVE-2026-1066 kalcaddle kodbox Compression zip command injection

What is CVE-2026-1066?

CVE-2026-1066 is a medium-severity command injection vulnerability in kalcaddle kodbox, published on 17 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-77, CWE-74

Which versions are affected by CVE-2026-1066?

It affects 1 product.

Products include Kodcloud Kodbox.

How do I fix CVE-2026-1066?

No fix has been published for CVE-2026-1066 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-1066 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1066 exists.

Other vulnerabilities in kalcaddle kodbox

• CVE-2023-39691 Missing authorization in n/a Critical 9.8
• CVE-2023-48028 Information disclosure in n/a Critical 9.8
• CVE-2023-29790 Information disclosure in n/a High 7.5
• CVE-2023-6848 kalcaddle kodbox index.class.php check command injection High 7.3
• CVE-2023-6849 kalcaddle kodbox app.php cover server-side request forgery High 7.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-998w-jcr6-gwpq.