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CVE-2026-30574

Published: Mar 27, 2026Updated: Mar 31, 2026 Sources: CVE List NVDCWE-841
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.3%
Top 83.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-841

Affected Products

n/an/a
web-based pharmacy product management systemsenior-walter
On-prem
Enterprise Software / erp
senior-waltercommercialEnterprise Softwareaka online student clearance system, web-based pharmacy product management system

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddSales-Overselling.md
github.com

Timeline

Published
Mar 27, 2026
Last Updated
Mar 31, 2026

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