CVE-2026-20683

An authentication issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. An app may be able to use the Sign In With Apple authentication flow to access the user's Apple Account.

• CWE-287

• https://support.apple.com/en-us/149034Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149035Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149038Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149042Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149043Release Notes, Vendor Advisory

Published

Sep 14, 2026

Last Modified

Sep 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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