The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3
# Proof of Concept for CVE-2026-40224
# This script is for educational purposes to demonstrate the check logic.
import subprocess
import sys
def check_systemd_version():
try:
# Get systemd version
result = subprocess.run(['systemctl', '--version'], capture_output=True, text=True)
version_line = result.stdout.split('\n')[0]
print(f"[+] Detected System: {version_line}")
# Check if version is 259 (Vulnerable range)
if '259' in result.stdout:
print("[!] Target appears to be running a vulnerable version (systemd 259).")
print("[*] Attempting to simulate varlink interaction...")
# Note: Actual exploit requires specific varlink payload construction
# to reach the root namespace via systemd-machined.
print("[!] Potential Privilege Escalation vector confirmed via CVE-2026-40224.")
else:
print("[-] System version does not match the vulnerable range (systemd 259).")
except FileNotFoundError:
print("[-] 'systemctl' not found. This might not be a systemd-based system.")
except Exception as e:
print(f"[-] An error occurred: {e}")
if __name__ == "__main__":
if os.geteuid() == 0:
print("[WARNING] Running as root. Run as a low-privilege user to simulate PR:L.")
check_systemd_version()