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I. Basic Information for CVE-2026-30523
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Business Logic vulnerability exists in SourceCodester Loan Management System v1.0 due to the lack of proper input validation. The application allows administrators to define "Loan Plans" which determine the duration of a loan (in months). However, the backend fails to validate that the duration must be a positive integer. An attacker can submit a negative value for the months parameter. The system accepts this invalid data and creates a loan plan with a negative duration.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
SourceCodester Loan Management System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SourceCodester Loan Management System是SourceCodester开源的一个贷款管理系统。 SourceCodester Loan Management System v1.0版本存在安全漏洞,该漏洞源于缺乏适当的输入验证,可能导致攻击者提交负值的months参数,从而创建具有负持续时间的贷款计划。
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
-n/a n/a -
II. Public POCs for CVE-2026-30523
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III. Intelligence Information for CVE-2026-30523
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