Google Chrome Persistent Cache Site Isolation Bypass Vulnerability

Vulnerability

A vulnerability in Google Chrome's Persistent Cache component prior to version 148.0.7778.96 allowed remote attackers to bypass site isolation. This was achieved through insufficient validation of untrusted input, enabling exploitation via a crafted HTML page that compromised the renderer process.

Impact

Exploitation of this vulnerability could lead to a site isolation bypass, allowing potentially malicious content to interact with other sites in ways that could compromise security or privacy.

Remediation

Users can update to Google Chrome version 148.0.7778.96 or later to address this vulnerability.

Added: May 6, 2026, 8:24 PM
Updated: May 6, 2026, 8:24 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
5.0
exploitability
3.6
remediation
7.7
relevance
7.6
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.