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Google Chrome Service Worker Site Isolation Bypass Vulnerability

Vulnerability

A vulnerability in Google Chrome's Service Worker implementation, affecting versions prior to 148.0.7778.96, allowed remote attackers to bypass site isolation. This was achieved by exploiting a crafted HTML page to manipulate the renderer process.

Impact

Exploitation of this vulnerability could lead to a bypass of site isolation, potentially allowing for cross-site information leakage or other related attacks.

Remediation

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

Added: May 6, 2026, 8:44 PM
Updated: May 6, 2026, 8:44 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
1.3
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.