CVE-2026-30574Public exploitNetwork attack vector

Inventory corruption via unchecked sales quantity

Published Mar 27, 2026 · Updated Mar 27, 2026

Business logic error in SourceCodester Pharmacy Product Management System 1.0 allows remote authenticated users to oversell stock. The add-sales.php handler accepts the POST txtqty value and completes the transaction without comparing the requested quantity with available inventory. A logged-in user can submit an inflated quantity, producing negative inventory records and unfulfillable sales without reading data or interrupting the service.

CVSS severity7.5
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Business logic error in SourceCodester Pharmacy Product Management System 1.0 allows remote authenticated users to oversell stock. The add-sales.php handler accepts the POST txtqty value and completes the transaction without comparing the requested quantity with available inventory. A logged-in user can submit an inflated quantity, producing negative inventory records and unfulfillable sales without reading data or interrupting the service.

The record

CVE
CVE-2026-30574
Published
Mar 27, 2026
Updated
Mar 27, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-841, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-841Improper Enforcement of Behavioral Workflow
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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