PT-2026-28413 · Undefined · Undefined

Published 2026-03-27 · Updated 2026-03-27 · CVE-2026-30574

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sales.php file. The application fails to verify if the requested sales quantity (txtqty) exceeds the available stock level. An attacker can manipulate the request to purchase a quantity that is significantly higher than the actual available stock.

Exploit

Fix

Weakness Enumeration

CWE-841

Related Identifiers

CVE-2026-30574

Affected Products

Undefined

References · 2

• 🔥 https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddSales-Overselling.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-30574 · Security Note