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CVE-2026-18721— kalcaddle kodbox SSO API Login apiLogin redirect

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Kalcaddle公司的一款文件管理软件。 Kalcaddle kodbox 1.67 Build 02版本存在输入验证错误漏洞，该漏洞源于对/user/sso/apiLogin文件中参数callbackUrl操作不当，可能导致开放重定向。

CVSS 4.3 · Medium EPSS 0.43% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
kalcaddle kodbox 1.67 Build 02 affected
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I. Basic Information for CVE-2026-18721

Vulnerability Information
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Vulnerability Title
kalcaddle kodbox SSO API Login apiLogin redirect
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in kalcaddle kodbox 1.67 Build 02. This issue affects some unknown processing of the file /user/sso/apiLogin of the component SSO API Login. The manipulation of the argument callbackUrl leads to open redirect. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. 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:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Kalcaddle kodbox 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kalcaddle kodbox是中国Kalcaddle公司的一款文件管理软件。 Kalcaddle kodbox 1.67 Build 02版本存在输入验证错误漏洞，该漏洞源于对/user/sso/apiLogin文件中参数callbackUrl操作不当，可能导致开放重定向。
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 1.67 Build 02 cpe:2.3:a:kalcaddle:kodbox:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18721

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III. Intelligence Information for CVE-2026-18721

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Other References for CVE-2026-18721 (1)

IV. Related Vulnerabilities

Same product: kodbox
Same vendor: kalcaddle
Same weakness: CWE-601

V. Comments for CVE-2026-18721

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