CVE-2026-4591 MEDIUM

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

Vendor Kalcaddle
Product kodbox
Weakness CWE-78
Published March 23, 2026
Last update March 23, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

Description

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.

Key dates

Disclosure timeline

March 23, 2026 CVE published
March 23, 2026 Record updated