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I. Basic Information for CVE-2026-4831
Vulnerability Information

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Vulnerability Title
kalcaddle kodbox Password-protected Share auth.class.php can improper authentication
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in kalcaddle kodbox 1.64. Impacted is the function can of the file /workspace/source-code/app/controller/explorer/auth.class.php of the component Password-protected Share Handler. Performing a manipulation results in improper authentication. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been released to the public and may 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:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kalcaddle Kodbox 授权问题漏洞
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版本存在授权问题漏洞,该漏洞源于对文件/workspace/source-code/app/controller/explorer/auth.class.php中can函数的操作导致身份验证不当。
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-2026-4831
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III. Intelligence Information for CVE-2026-4831
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IV. Related Vulnerabilities
V. Comments for CVE-2026-4831

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