Google Chrome Insufficient Input Validation in Compositing Component Vulnerability

Vulnerability

A vulnerability in Google Chrome's compositing component, prior to version 147.0.7727.138, 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 bypass of site isolation, potentially allowing for unauthorized access to sensitive information or resources.

Remediation

Users can update to Google Chrome version 147.0.7727.138 or later to address this vulnerability.

Added: Apr 28, 2026, 11:18 PM
Updated: Apr 28, 2026, 11:18 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
5.0
exploitability
3.6
remediation
7.7
relevance
6.9
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.