Back to search
CVE-2026-20643
Published: Mar 17, 2026
Modified: Apr 2, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
Apple | Safari | affected 0 - < 26.4 |
Apple | iOS and iPadOS | affected 0 - < 18.7.7affected 0 - < 26.3.1 (a)affected 0 - < 26.4 |
Apple | macOS | affected 0 - < 26.3.1 (a)affected 0 - < 26.3.2 (a)affected 0 - < 26.4 |
Apple | visionOS | affected 0 - < 26.4 |
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now