A vulnerability was found in SourceCodester Loan Management System 1.0 and classified as problematic . The impacted element is an unknown function of the component Loan Plans Handler . Such manipulation of the argument months leads to business logic errors. This vulnerability is referenced as CVE-2026-30523 . It is possible to launch the attack remotely. No exploit is available.
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✦ AI Summary· Claude Sonnet
VDB-354681 · CVE-2026-30523 · GCVE-0-2026-30523 SourceCodester Loan Management System 1.0 Loan Plans months logic error History Diff relate json xml CTI CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system. Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack. CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability. 2.6 $0-$5k 0.95+ Summary info A vulnerability was found in SourceCodester Loan Management System 1.0 . It has been classified as problematic . This affects an unknown function of the component Loan Plans Handler . Performing a manipulation of the argument months results in logic error. This vulnerability is identified as CVE-2026-30523 . The attack can be initiated remotely. There is not any exploit available. Details info A vulnerability classified as problematic has been found in SourceCodester Loan Management System 1.0 . This affects an unknown code block of the component Loan Plans Handler . The manipulation of the argument months with an unknown input leads to a logic error vulnerability. CWE is classifying the issue as CWE-840 . This is going to have an impact on integrity. The summary by CVE is: 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. The advisory is shared at github.com . This vulnerability is uniquely identified as CVE-2026-30523 since 03/04/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation needs additional levels of successful authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment ( estimation calculated on 04/01/2026 ). There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Entries connected to this vulnerability are available at VDB-246136 , VDB-246137 , VDB-246138 and VDB-260420 . Product info Vendor SourceCodester Name Loan Management System Version 1.0 License free Website Vendor: https://www.sourcecodester.com/ CPE 2.3 info 🔒 CPE 2.2 info 🔒 CVSSv4 info VulDB Vector : 🔒 VulDB Reliability : 🔍 CVSSv3 info VulDB Meta Base Score : 2.7 VulDB Meta Temp Score : 2.6 VulDB Base Score : 2.7 VulDB Temp Score : 2.6 VulDB Vector : 🔒 VulDB Reliability : 🔍 CVSSv2 info AV AC Au C I A 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 💳 Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score : 🔒 VulDB Temp Score : 🔒 VulDB Reliability : 🔍 Exploiting info Class : Logic error CWE : CWE-840 CAPEC : 🔒 ATT&CK : 🔒 Physical : No Local : No Remote : Yes Availability : 🔒 Status : Not defined Price Prediction : 🔍 Current Price Estimation : 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligence info Interest : 🔍 Active Actors : 🔍 Active APT Groups : 🔍 Countermeasures info Recommended : no mitigation known Status : 🔍 0-Day Time : 🔒 Timeline info 03/04/2026 CVE reserved 04/01/2026 +27 days Advisory disclosed 04/01/2026 +0 days VulDB entry created 04/01/2026 +0 days VulDB entry last update Sources info Vendor : sourcecodester.com Advisory : github.com Status : Not defined CVE : CVE-2026-30523 ( 🔒 ) GCVE (CVE) : GCVE-0-2026-30523 GCVE (VulDB) : GCVE-100-354681 See also : 🔒 Entry info Created : 04/01/2026 05:46 PM Changes : 04/01/2026 05:46 PM (53) Complete : 🔍 Cache ID : 99:154:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ Previous Overview Next ▸ Are you interested in using VulDB? Download the whitepaper to learn more about our service!