EUVD-2026-16707
GHSA-jxwm-85rg-xjq8
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
4Tags
Description
A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file. The application fails to validate the "txtqty" parameter during stock entry, allowing negative values to be processed. This causes the system to decrease the inventory level instead of increasing it, leading to inventory corruption and potential Denial of Service by depleting stock records.
Analysis
Inventory depletion in SourceCodester Pharmacy Product Management System 1.0 allows remote attackers to corrupt stock records by submitting negative values through the add-stock.php 'txtqty' parameter, causing the system to decrease inventory instead of increasing it and enabling denial of service via stock exhaustion. Publicly available exploit code exists demonstrating this business logic flaw, and the affected product lacks CVSS severity quantification despite the demonstrated impact on system integrity and availability.
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Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
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External POC / Exploit Code
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