CVE-2026-30574 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Senior-Walter	Web-Based Pharmacy Product Management System	1.0

Related Weaknesses (CWE)

CWE-841

References

https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-ManagemExploitThird Party Advisory

FAQ

What is CVE-2026-30574?

CVE-2026-30574 is a vulnerability with a CVSS score of 7.5 (HIGH). 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) excee...

How severe is CVE-2026-30574?

CVE-2026-30574 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-30574?

Check the references section above for vendor advisories and patch information. Affected products include: Senior-Walter Web-Based Pharmacy Product Management System.