CVE-2026-27166

CVE-2026-27166 (Discourse) : Vulnerability in the default Codepen iframe handling where insufficient cleanup allowed an attacker to cause a user to change the main page URL. Affected software: Discourse before versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2. Root cause: improper filtering/clea...

The vulnerability of Google Chrome browser allows a malicious actor to compromise the confidentiality and integrity of protected information.

The vulnerability exists in the API extension for Debugger in the browser/extensions/api/debugger/debuggerapi.cc module in Google Chrome, due to the lack of checking for the URL scheme of the tab before attaching. Exploiting this vulnerability allows malicious actors to circumvent access...