CVE-2026-100809: Origin Validation Error

Same-origin policy bypass in the DevTools component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 153.4, and Firefox 157...

CVE-2026-87517

A flaw was found in Google Chrome on iOS. A race condition in the mobile browser component allows a remote attacker to bypass the same-origin policy by tricking a user into opening a specially crafted HTML page. Successful exploitation enables unauthorized access to sensitive cross-origin web dat...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in Workers in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted input in the Network section of Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Firefox

Bypass of the same-origin policy in the Networking: JAR component. This vulnerability has been fixed in Firefox 151 and Thunderbird 151...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in DevTools in Google Chrome prior to 149.0.7827.115 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerability in Firefox and Thunderbird

Bypass of the same-origin policy in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

Astra Linux – Vulnerability in Firefox and Thunderbird

Bypass of the same-origin policy in the Graphics:Canvas2D component. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Firefox

Bypass of the same-origin policy in the Networking:Cookies component. This vulnerability has been fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted inputs in WebAuthentication in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Firefox and Thunderbird

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

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in Workers in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in WebKit2GTK

A logic issue has been addressed through improved state management. This issue is fixed in Safari 16.2, tvOS 16.2, iCloud for Windows 14.1, iOS 15.7.2, and iPadOS 15.7.2, macOS Ventura 13.1, iOS 16.2, and iPadOS 16.2, watchOS 9.2. Processing maliciously crafted web content may allow bypass of the...

Astra Linux – Vulnerability in Firefox and Thunderbird

Bypass of the same-origin policy in the DOM: Notification component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in the DOM in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Medium...

Astra Linux – Vulnerability in Chromium

Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page. Chromium security severity: Low...

Astra Linux – Vulnerability in Firefox

A malicious extension with the “search” permission could have installed a new search engine, and the favicon of this engine referenced a cross-origin URL. The response to this cross-origin request could have been read by the extension, allowing it to bypass the same-origin policy—even though the...

Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in background fetch in Google Chrome prior to 96.0.4664.45 allowed a remote attacker to bypass the same-origin policy through a crafted HTML page...

Astra Linux – Vulnerability in Chromium

Inappropriate implementations in Extensions in Google Chrome prior to version 149.0.7827.155 allowed an attacker who convinced a user to install a malicious extension to bypass the same-origin policy through a crafted Chrome Extension. Chromium security severity: High...