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

CVSS 4.7 · Medium EPSS 0.32% · P55
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I. Basic Information for CVE-2026-4591

Vulnerability Information
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Vulnerability Title
kalcaddle kodbox fileThumb Endpoint app.php checkBin os command injection
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kalcaddle Kodbox 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kalcaddle Kodbox是中国可道云（Kalcaddle）公司的一个私有云存储与在线协同办公平台。 kalcaddle kodbox 1.64版本存在操作系统命令注入漏洞，该漏洞源于对组件fileThumb Endpoint中文件/workspace/source-code/plugins/fileThumb/app.php的错误操作，可能导致os命令注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
kalcaddlekodbox 1.64 -

II. Public POCs for CVE-2026-4591

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III. Intelligence Information for CVE-2026-4591

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Same Patch Batch · kalcaddle · 2026-03-23 · 5 CVEs total

CVE-2026-45896.3 MEDIUMkalcaddle kodbox fileGet Endpoint editor.class.php PathDriverUrl server-side request forge
CVE-2026-45925.6 MEDIUMkalcaddle kodbox Password Login index.class.php tfaVerify improper authentication
CVE-2026-45883.7 LOWkalcaddle kodbox Site-level API key shareOut.class.php shareSafeGroup hard-coded key
CVE-2026-45903.1 LOWkalcaddle kodbox loginSubmit API index.class.php cross-site request forgery

IV. Related Vulnerabilities

Same product: kodbox
Same vendor: kalcaddle
Same weakness: CWE-78

V. Comments for CVE-2026-4591

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