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Google Chrome Insufficient Input Validation in Site Isolation Bypass Vulnerability

Vulnerability

A vulnerability in Google Chrome prior to version 148.0.7778.216 allows remote attackers to bypass site isolation protections. This is achieved through a crafted HTML page that exploits insufficient validation of untrusted input in the renderer process.

Impact

Exploitation of this vulnerability allows for a bypass of site isolation, potentially leading to unauthorized access to cross-origin data.

Remediation

Users can update to Google Chrome version 148.0.7778.216 or later to address this vulnerability.

Added: May 28, 2026, 11:31 PM
Updated: May 28, 2026, 11:31 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
3.6
remediation
7.7
relevance
9.3
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.