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...

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-2026-54235

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...

RHEL 9 : webkit2gtk3 (RHSA-2026:16695)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:16695 advisory. WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Security Fixes: webkitgtk: Processing maliciously...

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...

CVE-2026-6402 webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins

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...

CVE-2026-6402 webpack-dev-server vulnerable to cross-origin source code exposure on non-HTTPS origins

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...

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...

CVE-2026-6402

The CVE-2026-6402 entry concerns webpack-dev-server (versions up to 5.2.3) and a cross-origin source code exposure when served over non-HTTPS/or untrusted origins. The root cause is that the prior fix relied on Sec-Fetch-Mode and Sec-Fetch-Site headers, which browsers omit for non-trustworthy ori...

PT-2026-39959

Name of the Vulnerable Software and Affected Versions webpack-dev-server versions prior to 5.2.4 Description Cross-origin source code exposure occurs when serving over a non-potentially trustworthy origin, such as plain HTTP. The issue arises because the previous fix relied on Sec-Fetch-Mode and...

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...

PT-2026-52039

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 149.0.7827.197 Description An inappropriate implementation in DeviceBoundSessionCredentials allows a remote attacker to bypass the same origin policy, which is a security mechanism that restricts how a document ...

PT-2026-54198

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

SUSE CVE-2026-7969

Integer overflow in Network in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. Chromium security severity: Medium...