CVE-2025-43371: 
Xcode 취약성 분석 및 완화

A sandbox escape vulnerability was identified in Apple's Xcode 26 development environment, tracked as CVE-2025-43371. The vulnerability was discovered by security researcher Mickey Jin (@patch1t) and affects systems running macOS Sequoia 15.6 and later. The issue was disclosed and patched in September 2025 as part of Apple's security content update for Xcode 26 (Apple Support).

The vulnerability exists in Xcode's sandbox implementation where an application may be able to break out of its designated sandbox environment. The issue was addressed by Apple through improved checks in the security update (Apple Support).

If exploited, this vulnerability allows a malicious application to break out of its sandbox environment, potentially gaining access to resources and data that should be restricted. This represents a significant security boundary bypass that could compromise the isolation between applications (Apple Support).

Apple has addressed this vulnerability in the Xcode 26 security update. Users are advised to update to the latest version of Xcode to receive the security fix. The patch implements improved checks to prevent applications from breaking out of their sandbox (Apple Support).