CVE-2026-30575: A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stoc

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2026-30575 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-stock.php file. The application fails to validate the "txtqty" parameter during stock entry, allowing negative values to be processed. This causes the system to decrease the inventory level instead of increasing it, leading to inventory corruption and potential Denial of Service by depleting stock records.

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	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-20, CWE-1284
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-2026-30575?

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

Is CVE-2026-30575 being exploited?

CVE-2026-30575 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-2026-30575 affect?

CVE-2026-30575 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-stock.php file. The application fails to validate the "txtqty" parameter during stock entry, allowing negative values to be processed.

How urgent is CVE-2026-30575?

Priority 45/100. 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-2026-30574 HIGH 7.5 DOWNGRADE A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-sale
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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