Vulnerability Details CVE-2026-30575
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 13.5%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2026-30575
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cpe:2.3:a:senior-walter:web-based_pharmacy_product_management_system:1.0