Apple iCloud Quarantine Flag Bypass Vulnerability

Vulnerability

A vulnerability in iCloud on macOS Sequoia 15.3 allows files downloaded from the internet to bypass the quarantine flag, which is intended to protect users from potentially harmful content. This issue was addressed with improved state management.

Impact

Exploiting this vulnerability can lead to files being downloaded without the usual safety checks, potentially allowing harmful content to be executed or accessed without warning.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.0
exploitability
4.4
remediation
7.7
relevance
0.0
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.