CVE-2026-20643 (GCVE-0-2026-20643)
Vulnerability from cvelistv5
Published
2026-03-17 22:29
Modified
2026-04-02 18:19
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CWE
  • Processing maliciously crafted web content may bypass Same Origin Policy
Summary
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.
References
Impacted products
Vendor Product Version
Apple Safari Version: 0   < 26.4
 Create a notification for this product.
   Apple iOS and iPadOS Version: 0   < 18.7.7
Version: 0   < 26.3.1 (a)
Version: 0   < 26.4
 Create a notification for this product.
   Apple macOS Version: 0   < 26.3.1 (a)
Version: 0   < 26.3.2 (a)
Version: 0   < 26.4
 Create a notification for this product.
   Apple visionOS Version: 0   < 26.4
 Create a notification for this product.
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