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CVE PROGRAM SOURCE RECORD5.4 Medium

CVE-2026-20643

A cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed in Background Security Improvements for iOS, iPadOS, and macOS, Safari

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Status
Published
Published
Updated
Assigning organization
apple

Description

A cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed in Background Security Improvements for iOS, iPadOS, and macOS, Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may bypass Same Origin Policy.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apple Safari

  • 0 to < 26.4affected

Apple iOS and iPadOS

  • 0 to < 18.7.7affected
  • 0 to < 26.3.1 (a)affected
  • 0 to < 26.4affected

Apple macOS

  • 0 to < 26.3.1 (a)affected
  • 0 to < 26.3.2 (a)affected
  • 0 to < 26.4affected

Apple visionOS

  • 0 to < 26.4affected

References