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...

About the security content of Safari 26.4

About the security content of Safari 26.4 This document describes the security content of Safari 26.4. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available...

DNS Rebinding

@modelcontextprotocol/sdk is vulnerable to DNS Rebinding. The vulnerability is due to DNS rebinding protection being disabled by default in unauthenticated HTTP-based servers, which allows an attacker to exploit a malicious website to bypass same-origin policy and send requests to the local MCP...

CVE-2026-32632

Glances is an open-source system cross-platform monitoring tool. Glances recently added DNS rebinding protection for the MCP endpoint, but prior to version 4.5.2, the main REST/WebUI FastAPI application still accepts arbitrary Host headers and does not apply TrustedHostMiddleware or an equivalent...

EUVD-2026-12663

A cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed in Background Security Improvements for iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, and macOS 26.3.2. Processing maliciously crafted web content may bypass Same Origin Policy...

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

CVE-2026-20643 is a WebKit/Web navigation cross-origin issue in Safari and Apple OS web rendering components. The fixed entry notes that processing maliciously crafted web content could bypass the Same Origin Policy due to an improved input validation in the Navigation API. Affected context inclu...

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...

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...

Exploit for CVE-2026-20643

WebKit-NavigationAPI-SOP-Bypass WebKit Navigation API — Sam...

About the security content of Background Security Improvements for iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, and macOS 26.3.2

About the security content of Background Security Improvements for iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, and macOS 26.3.2 This document describes the content of Background Security Improvements. About Background Security Improvements Background Security Improvements deliver important security...

Linux Distros Unpatched Vulnerability : CVE-2026-3846

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Same-origin policy bypass in the CSS Parsing and Computation component. This vulnerability was fixed in Firefox 148.0.2. CVE-2026-3846 Note that Nessus relies o...

EUVD-2026-11458

Insufficient policy enforcement in ChromeDriver in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

FreeBSD : Firefox -- Same-origin policy bypass (e1e40d50-1de2-11f1-8aff-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the e1e40d50-1de2-11f1-8aff-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2018400 reports: Same-origin policy bypass in the CSS Parsi...

CVE-2026-3934

Insufficient policy enforcement in ChromeDriver in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-3934

Insufficient policy enforcement in ChromeDriver in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...