CVE-2026-4591: kalcaddle kodbox fileThumb Endpoint app.php checkBin os command injection

Published Mar 23, 2026
·
Updated

A weakness has been identified in kalcaddle kodbox 1.64. This affects the function checkBin of the file /workspace/source-code/plugins/fileThumb/app.php of the component fileThumb Endpoint. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

1 affected component
kalcaddle kodbox=1.64

Event History

Mar 23, 2026
CVE Published
via MITRE·03:15 PM
Data Sourced
via MITRE·03:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeakness
Apr 7, 58249
Event
via FIRST·11:05 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-4591?

CVE-2026-4591 is classified as a medium severity vulnerability due to its potential for exploitation through OS command injection.

2

How do I fix CVE-2026-4591?

To mitigate CVE-2026-4591, it is recommended to upgrade Kalcaddle Kodbox to the latest version that addresses this vulnerability.

3

What component is affected by CVE-2026-4591?

CVE-2026-4591 affects the checkBin function within the fileThumb Endpoint of Kalcaddle Kodbox version 1.64.

4

What kind of vulnerability is CVE-2026-4591?

CVE-2026-4591 is identified as an OS command injection vulnerability.

5

Who is affected by CVE-2026-4591?

Users and administrators of Kalcaddle Kodbox version 1.64 are affected by CVE-2026-4591.

Contact

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