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Google Chrome Background Fetch API Cross-Origin Data Leak Vulnerability

Vulnerability

A vulnerability in the Background Fetch API of Google Chrome, in versions prior to 144.0.7559.110, allowed remote attackers to leak cross-origin data through a specially crafted HTML page.

Impact

Exploitation of this vulnerability could lead to unauthorized access to cross-origin data, potentially allowing for data leakage between different origins.

Remediation

Users can update to Google Chrome version 144.0.7559.110 or later to address this vulnerability.

Added: Jan 27, 2026, 9:21 PM
Updated: Jan 27, 2026, 10:26 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
4.2
remediation
7.7
relevance
2.3
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.