CVE-2026-20643
CVE-2026-20643
5.4
MediumPublished:
Last updated:
Source:product-security@apple.com
Modified
Weakness (CWE)
CVSS Vector
v3.1- Attack Vector
- Network
- Attack Complexity
- Low
- Privileges Required
- None
- User Interaction
- Required
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
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.
References
product-security@apple.com
https://support.apple.com/en-us/126604product-security@apple.com
https://support.apple.com/en-us/126792product-security@apple.com
https://support.apple.com/en-us/126793product-security@apple.com
https://support.apple.com/en-us/126794product-security@apple.com
https://support.apple.com/en-us/126799product-security@apple.com
https://support.apple.com/en-us/126800af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2026/Mar/10