in OpenHarmony v6.0 and prior versions allow a local attacker arbitrary code execution.
CVSS Details
CVSS Score
6.5
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Configurations (Affected Products)
No configuration data available.
OpenHarmony <= v6.0
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3
# PoC for CVE-2026-28733 (Conceptual)
# This script simulates the trigger mechanism for the local code execution vulnerability.
# Requires a vulnerable environment of OpenHarmony <= v6.0
import os
import sys
def trigger_exploit():
print("[*] Attempting to exploit CVE-2026-28733...")
# In a real scenario, the attacker would call a specific vulnerable API or system service.
# Here we simulate the payload injection.
try:
# Simulating the vulnerable system call that leads to arbitrary code execution
# This is a placeholder for the actual exploit logic.
malicious_payload = "echo 'CVE-2026-28733 Exploited'"
# The vulnerability allows local low-privileged users to execute commands
# bypassing standard permission checks.
os.system(malicious_payload)
print("[+] Exploit successful! Arbitrary code executed.")
return True
except Exception as e:
print(f"[-] Exploit failed: {e}")
return False
if __name__ == "__main__":
trigger_exploit()