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Google Chrome PWA Policy Bypass Vulnerability Allowing Unauthorized Installation

Vulnerability

A vulnerability in Progressive Web Apps (PWAs) within Google Chrome versions prior to 147.0.7727.55 has been identified. This issue stems from inadequate policy enforcement, which allowed remote attackers who had compromised the renderer process to install a PWA without user consent, using a specially crafted HTML page.

Impact

Exploitation of this vulnerability could lead to unauthorized installation of PWAs, bypassing user consent.

Remediation

Users can update to Google Chrome version 147.0.7727.55 or later to address this vulnerability.

Added: Apr 8, 2026, 11:37 PM
Updated: Apr 8, 2026, 11:37 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
3.6
remediation
7.7
relevance
5.5
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.