{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-30576", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-03-27T19:06:50.950Z", "dateReserved": "2026-03-04T00:00:00.000Z", "datePublished": "2026-03-27T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-03-27T16:27:13.830Z"}, "descriptions": [{"lang": "en", "value": "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 \"txtprice\" and \"txttotalcost\" parameters during stock entry, allowing negative financial values to be submitted. This leads to corruption of financial records, allowing attackers to manipulate inventory asset values and procurement costs."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddStock-NegativePrice.md"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-20", "lang": "en", "description": "CWE-20 Improper Input Validation"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-03-27T19:03:20.336273Z", "id": "CVE-2026-30576", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-27T19:06:50.950Z"}}]}, "dataVersion": "5.2"}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "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 \"txtprice\" and \"txttotalcost\" parameters during stock entry, allowing negative financial values to be submitted. This leads to corruption of financial records, allowing attackers to manipulate inventory asset values and procurement costs."}], "id": "CVE-2026-30576", "lastModified": "2026-03-27T20:16:29.527", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-03-27T17:16:29.057", "references": [{"source": "cve@mitre.org", "url": "https://github.com/meifukun/Web-Security-PoCs/blob/main/Pharmacy-Product-Management-System/Logic-AddStock-NegativePrice.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-03-27T17:26:41.572565+00:00", "value": {"mitigation_remediation": ["Apply vendor patch if an updated version is available.", "Modify the add-stock.php script to validate that txtprice and txttotalcost are non\u2011negative before processing.", "Restrict access to the add\u2011stock functionality to authorized users only.", "Implement database constraints to reject negative values for price and cost columns.", "Monitor financial records and audit logs for anomalous inventory or cost entries."], "summary": {"action": "Patch ASAP", "impact": "Financial Integrity"}, "threat_synthesis": {"affected_systems": "SourceCodester Pharmacy Product Management System 1.0 is the only version for which the vulnerability is confirmed.", "description_and_impact": "The add-stock.php page in SourceCodester Pharmacy Product Management System 1.0 does not validate the txtprice and txttotalcost fields, allowing a malicious actor to submit negative values; this flaw can overwrite inventory asset values and procurement costs in the database, corrupting financial records and undermining the integrity of accounting data.", "risk_and_exploitability": "Without a CVSS score, the direct impact of financial manipulation suggests a high severity; the flaw is exploitable through the web front\u2011end and is not yet listed in CISA's KEV catalog, but any user who can reach the add\u2011stock interface can abuse the lack of input validation to corrupt financial data."}}}}, "created": "2026-03-27T20:28:56.767653+00:00", "title": "Negative Financial Values Allowing Inventory Asset Manipulation in SourceCodester Pharmacy Product Management System 1.0", "updated": "2026-03-27T20:28:56.767679+00:00", "vendors": [], "weaknesses": ["CWE-20"]}