Insufficient validation of untrusted input in SiteIsolation in Google Chrome prior to 148.0.7778.168 allowed a remote attacker who had compromised the renderer process to bypass Site Isolation via a crafted HTML page. (Chromium security severity: High)
https://issues.chromium.org/issues/487795397
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html