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CVE-2026-4588— kalcaddle kodbox Site-level API key shareOut.class.php shareSafeGroup hard-coded key

Quick assessment

Affected
kalcaddle kodbox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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版本存在安全漏洞，该漏洞源于组件Site-level API key Handler使用硬编码密钥。

CVSS 3.7 · Low EPSS 0.42% · P35
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I. Basic Information for CVE-2026-4588

Vulnerability Information
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Vulnerability Title
kalcaddle kodbox Site-level API key shareOut.class.php shareSafeGroup hard-coded key
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in kalcaddle kodbox 1.64. Impacted is the function shareSafeGroup of the file /workspace/source-code/app/controller/explorer/shareOut.class.php of the component Site-level API key Handler. This manipulation of the argument sk causes use of hard-coded cryptographic key . The attack may be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的密码学密钥
Source: CVE Program / CVE List V5
Vulnerability Title
Kalcaddle Kodbox 安全漏洞
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版本存在安全漏洞，该漏洞源于组件Site-level API key Handler使用硬编码密钥。
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

Vendor Product Affected Versions CPE Subscribe
kalcaddle kodbox 1.64 -

II. Public POCs for CVE-2026-4588

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III. Intelligence Information for CVE-2026-4588

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Vendor Advisories for CVE-2026-4588 (2)

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

CVE-2026-4589 6.3 MEDIUM kalcaddle kodbox fileGet Endpoint editor.class.php PathDriverUrl server-side request forge
CVE-2026-4592 5.6 MEDIUM kalcaddle kodbox Password Login index.class.php tfaVerify improper authentication
CVE-2026-4591 4.7 MEDIUM kalcaddle kodbox fileThumb Endpoint app.php checkBin os command injection
CVE-2026-4590 3.1 LOW kalcaddle kodbox loginSubmit API index.class.php cross-site request forgery

IV. Related Vulnerabilities

Same product: kodbox
Same vendor: kalcaddle
Same weakness: CWE-321

V. Comments for CVE-2026-4588

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