CVE-2026-32726 SciTokens C++ 授权绕过漏洞

# Conceptual PoC demonstrating the vulnerable logic import sys def check_scope_vulnerable(token_scope, request_path): """ Vulnerable implementation: Simple prefix check. This logic is present in versions < 1.4.1 """ return request_path.startswith(token_scope) def check_scope_secure(token_scope, request_path): """ Secure implementation: Checks for path segment boundary. """ if request_path == token_scope: return True # Ensure the scope is followed by a separator to match full segments only if request_path.startswith(token_scope + "/"): return True return False # Simulation Scenario # Attacker has a token scoped to '/project' token_scope = '/project' # Attacker attempts to access a sibling path '/project_secret' # which starts with '/project' but is a different resource. attack_path = '/project_secret' print(f"[*] Token Scope: {token_scope}") print(f"[*] Requested Path: {attack_path}") if check_scope_vulnerable(token_scope, attack_path): print(f"[+] Vulnerable Logic: Access GRANTED to {attack_path}") else: print(f"[-] Vulnerable Logic: Access DENIED") if check_scope_secure(token_scope, attack_path): print(f"[+] Secure Logic: Access GRANTED to {attack_path}") else: print(f"[-] Secure Logic: Access DENIED")