# CVE-2026-30574: A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sales.php…

Source: https://junglewise.ai/threats/cve-2026-30574-a-business-logic-vulnerability-exists-in-sourcecodester-pharmacy  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-27  
License: CC BY 4.0 with a link back

CVE-2026-30574 · Severity: high · CVSS 7.5 · Published 2026-03-27

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.

Technologies: [Senior-Walter Web-Based Pharmacy Product Management System](https://junglewise.ai/threats/technologies/web-based-pharmacy-product-management-system). Vendors: [Senior-Walter](https://junglewise.ai/threats/vendors/senior-walter).

## Quick answers

**Is CVE-2026-30574 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-30574 being exploited in the wild.

**How severe is CVE-2026-30574?** High severity, with a CVSS score of 7.5, published 27 March 2026.

**Which products and versions are affected?** Senior-Walter Web-Based Pharmacy Product Management System. The advisory does not name versions.

**Is there a fix for CVE-2026-30574?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-30574?** Check whether you run Senior-Walter Web-Based Pharmacy Product Management System. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Senior-Walter Web-Based Pharmacy Product Management System

## Related threats

- [A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0. The vulnerability is…](https://junglewise.ai/threats/cve-2026-30573-a-business-logic-vulnerability-exists-in-sourcecodester-pharmacy)
- [A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php…](https://junglewise.ai/threats/cve-2026-30576-a-business-logic-vulnerability-exists-in-sourcecodester-pharmacy)
- [A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php…](https://junglewise.ai/threats/cve-2026-30575-a-business-logic-vulnerability-exists-in-sourcecodester-pharmacy)
- [Sourcecodester Web-based Pharmacy Product Management System v1.0 is vulnerable to Cross Site Scripting (XSS) in…](https://junglewise.ai/threats/cve-2025-65215-sourcecodester-web-based-pharmacy-product-management-system-v1-0)
- [SourceCodester Web-based Pharmacy Product Management System incorrect access control in add-admin.php](https://junglewise.ai/threats/cve-2025-56274-sourcecodester-web-based-pharmacy-product-management-system)