CVE-2026-8971: Origin Validation Error

Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8948: Permissive Cross-domain Policy with Untrusted Domains

Same-origin policy bypass in the DOM: Networking component. This vulnerability was fixed in Firefox 151 and Thunderbird 151...

CVE-2026-8950: Origin Validation Error

Same-origin policy bypass in the Networking: HTTP component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11...

Mozilla Firefox和Mozilla Thunderbird 访问控制错误漏洞

Mozilla Firefox and Mozilla Thunderbird are both products of the American Mozilla Foundation. Mozilla Firefox is an open-source web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla Application Suite. This software supports IMAP and POP email...

Mozilla Firefox多款产品 访问控制错误漏洞

Mozilla Firefox, among others, are products of the American Mozilla Foundation. Mozilla Firefox is an open-source web browser. Mozilla Firefox ESR is a extended support version of Firefox the web browser. Mozilla Thunderbird is an email client software that emerged independently from the Mozilla...

Google Chrome 安全漏洞

Google Chrome is a web browser developed by Google Inc. Versions of Google Chrome prior to 148.0.7778.179 contained a security vulnerability. This vulnerability stemmed from insufficient execution of Service Worker policies, which could allow remote attackers to bypass the same-origin policy...

RHEL 9 : webkit2gtk3 (RHSA-2026:19206)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:19206 advisory. WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: webkitgtk: Processing maliciously...

PT-2026-41902

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 151 Thunderbird versions prior to 151 Description A same-origin policy bypass exists in the DOM: Networking component. The same-origin policy is a critical security mechanism that restricts how a document or script...

PT-2026-41925

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 151 Thunderbird versions prior to 151 Description A same-origin policy bypass exists in the Networking: JAR component. The same-origin policy is a critical security mechanism that restricts how a document or script...

ALSA-2026:19206 Important: webkit2gtk3 security update

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash CVE-2025-43213 webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari...

GHSA-79CF-XCQC-C78W webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins

Impact When webpack-dev-server is running on a non-HTTPS origin the default, cross-origin requests from malicious websites can load the dev server's JavaScript bundles via tags. The fix introduced in v5.2.1 CVE-2025-30359 relied on Sec-Fetch-Mode and Sec-Fetch-Site request headers to block these...

EUVD-2026-29404

webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins...

PT-2026-54116

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 150.0.7871.47 Description An inappropriate implementation in CSS allows a remote attacker to bypass the same origin policy, which is a security mechanism that restricts how a document or script loaded from one...

PT-2026-54115

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 150.0.7871.47 Description An inappropriate implementation in CSS allows a remote attacker to bypass the same origin policy, which is a security mechanism that restricts how a document or script loaded from one...

PT-2026-54380

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 150.0.7871.47 Description Insufficient policy enforcement in the Speech component allows a remote attacker to bypass the same origin policy, which is a security mechanism that restricts how a document or script...

PT-2026-54235

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 150.0.7871.47 Description Insufficient validation of untrusted input in Blink allows a remote attacker to bypass the same origin policy, which is a security mechanism that restricts how a document or script load...

PT-2026-44697

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 148.0.7778.216 Description An inappropriate implementation in the Media component allows a remote attacker to bypass the same origin policy, which is a security mechanism that restricts how a document or script...

SUSE CVE-2026-6402

webpack-dev-server versions up to and including 5.2.3 are vulnerable to cross-origin source code exposure when serving over a non-potentially trustworthy origin such as plain HTTP. The previous fix relied on the Sec-Fetch-Mode and Sec-Fetch-Site request headers, which browsers omit for...

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...

Important: Red Hat Security Advisory: webkit2gtk3 security update

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...