How severe is CVE-2026-30575?

CVE-2026-30575 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-30575 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30575?

CVE-2026-30575 affects Senior-walter Web-based Pharmacy Product Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30575?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-30575 have an EU (EUVD) identifier?

Yes. CVE-2026-30575 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16707.

When was CVE-2026-30575 published?

CVE-2026-30575 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-30575

CVE-2026-30575 is a high-severity vulnerability in Senior-walter Web-based Pharmacy Product Management System with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16707
Weakness: CWE-20
Affected product: Senior-walter Web-based Pharmacy Product Management System
Published: 2026-03-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-30575?: 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.
How severe is CVE-2026-30575?: CVE-2026-30575 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-30575 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30575?: CVE-2026-30575 affects Senior-walter Web-based Pharmacy Product Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30575?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-30575 have an EU (EUVD) identifier?: Yes. CVE-2026-30575 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16707.
When was CVE-2026-30575 published?: CVE-2026-30575 was published on 2026-03-27 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:senior-walter:web-based_pharmacy_product_management_system:1.0:*:*:*:*:*:*:*

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