PT-2026-136518

CVE-2026-121102

Published

2026-11-03

Updated

2026-11-05

Description by

CVSS 3.1

8.8

High

MetricsAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 157.0.8103.38

Description Missing authorization in the BackgroundFetch component allows a remote attacker to bypass the web origin policy, which is a security mechanism that restricts how a document or script loaded from one origin can interact with a resource from another origin, by using a crafted HTML page.

Recommendations Update Google Chrome to version 157.0.8103.38 or later.

Exploitability

Fix

Impacts

Researchers

Maurice Dauer

Vendors

Affected products

Weakness enumeration

CWE-862: Missing Authorization

Related identifiers

CVE-2026-121102