High severity7.5NVD Advisory· Published Mar 27, 2026· Updated Mar 31, 2026

CVE-2026-30575

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Senior Walter/Web Based Pharmacy Product Management System
cpe:2.3:a:senior-walter:web-based_pharmacy_product_management_system:1.0:*:*:*:*:*:*:*
Codezips/Pharmacy Management Systemllm-fuzzy
Range: =1.0

Patches

Vulnerability mechanics

References

github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddStock-NegativeQty.mdnvdExploitVendor Advisory

News mentions

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