CVE-2026-20683: An app may be able to use the Sign In With Apple authentication flow to access the user's Apple Account in Apple iOS and iPadOS
A vulnerability in Apple iOS and iPadOS allows an app to potentially misuse the Sign In With Apple authentication flow to access the user's Apple Account. This authentication issue was addressed by Apple through improved state management and fixed in iOS 27, iPadOS 27, and related macOS and visionOS versions.
AI Analysis
Technical Summary
CVE-2026-20683 describes an authentication flaw in Apple iOS and iPadOS where an app could exploit the Sign In With Apple authentication flow to gain unauthorized access to the user's Apple Account. Apple resolved this issue by improving state management in the authentication process. The fix is included starting with iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27.
Potential Impact
An attacker-controlled app could leverage this vulnerability to access a user's Apple Account without proper authorization, potentially compromising user data and account security. The issue affects multiple Apple operating systems prior to the fixed versions.
Mitigation Recommendations
Apple has released official fixes in iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27. Users and administrators should update affected devices to these versions or later to remediate the vulnerability.
CVE-2026-20683: An app may be able to use the Sign In With Apple authentication flow to access the user's Apple Account in Apple iOS and iPadOS
Description
A vulnerability in Apple iOS and iPadOS allows an app to potentially misuse the Sign In With Apple authentication flow to access the user's Apple Account. This authentication issue was addressed by Apple through improved state management and fixed in iOS 27, iPadOS 27, and related macOS and visionOS versions.
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
visionOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-20683 describes an authentication flaw in Apple iOS and iPadOS where an app could exploit the Sign In With Apple authentication flow to gain unauthorized access to the user's Apple Account. Apple resolved this issue by improving state management in the authentication process. The fix is included starting with iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27.
Potential Impact
An attacker-controlled app could leverage this vulnerability to access a user's Apple Account without proper authorization, potentially compromising user data and account security. The issue affects multiple Apple operating systems prior to the fixed versions.
Mitigation Recommendations
Apple has released official fixes in iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27. Users and administrators should update affected devices to these versions or later to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2025-11-11T14:43:07.873Z
- State
- PUBLISHED
Threat ID: 6aa860ee55bf5e2cf59d2113
Added to database: 09/14/2026, 21:02:38 UTC
Last enriched: 09/14/2026, 22:22:08 UTC
Last updated: 09/15/2026, 03:17:50 UTC
Views: 5
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