CVE-2026-30574: A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sale

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2026-30574 is a high-severity flaw (CVSS 7.5) affecting web-based pharmacy product management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-841
Published	2026-03-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: senior-walter

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-27 17:16 UTCPublished CVE record published
2026-06-17 10:32 UTCUpdated Record last modified

senior-walter web-based pharmacy product management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy web-based-pharmacy-product-management-system || rpm -q web-based-pharmacy-product-management-system || web-based-pharmacy-product-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison web-based-pharmacy-product-management-system sudo apt install web-based-pharmacy-product-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold web-based-pharmacy-product-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list web-based-pharmacy-product-management-system sudo dnf downgrade web-based-pharmacy-product-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add web-based-pharmacy-product-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-30574?

web-based pharmacy product management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-30574 being exploited?

CVE-2026-30574 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-30574 affect?

CVE-2026-30574 affects web-based pharmacy product management system. Severity is high (CVSS 7.5). 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 attacke

How urgent is CVE-2026-30574?

Priority 41/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-30576 HIGH 7.5 DOWNGRADE A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stoc
CVE-2026-30575 HIGH 7.5 DOWNGRADE A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stoc
CVE-2026-30573 HIGH 7.5 DOWNGRADE A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0

References

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