WebKit-NavigationAPI-SOP-Bypass

WebKit-NavigationAPI-SOP-Bypass WebKit Navigation API — Same-Origin Policy bypass via cross-port interception CVE-2026-20643 | ---|--- CVE| CVE-2026-20643 Discovered by| Thomas Espach WebKit Bugzilla 306050 Component| WebKit — WebCore::Navigation::innerDispatchNavigateEvent Affected| iOS 26.3.1...

Rocky Linux 9.6 [TuxCare] Security Update: webkit2gtk3 / webkit2gtk3-devel / webkit2gtk3-jsc / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1779956120)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779956120 advisory. - A cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed in Background...

WebKit CVE-2026-20643 NavigateEvent.canIntercept check

Checks whether NavigateEvent.canIntercept is incorrectly true for same-host cross-port navigations CVE-2026-20643 / WebKit Navigation API SOP gate bug. Reports VULNERABLE when canIntercept=true on a cross-origin target, PATCHED when false, or INCONCLUSIVE when the Navigation API is unavailable or...

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy...

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy...

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy...

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy...

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy...

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy...

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy...

webkitgtk: Processing maliciously crafted web content may bypass Same Origin Policy

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy...

Navigation API Bypass

The vulnerability of the Navigation API component in iOS, iPadOS, and MacOS operating systems is related to insufficient validation of input data. Exploiting this vulnerability can allow attackers to bypass existing security mechanisms remotely...

SUSE 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 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...

Linux Distros Unpatched Vulnerability : CVE-2026-20643

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-20643

A flaw was found in WebKitGTK. Processing malicious web content can cause a cross-origin issue in the Navigation API due to improper input validation and result in a bypass of the same origin policy. Mitigation Do not process or load untrusted web content with WebKitGTK. In Red Hat Enterprise Lin...

Apple Fixes WebKit Vulnerability Enabling Same-Origin Policy Bypass on iOS and macOS

Apple on Tuesday released its first round of Background Security Improvements to address a security flaw in WebKit that affects iOS, iPadOS, and macOS. The vulnerability, tracked as CVE-2026-20643 CVSS score: N/A, has been described as a cross-origin issue in WebKit's Navigation API that could be...

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 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...

DEBIAN-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 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...

UBUNTU-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 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...

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 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...