PT-2026-136644

CVE-2026-121242

Published

2026-11-03

Updated

2026-11-05

Description by

CVSS 3.1

6.5

Medium

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

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

Description Improper input validation in WebPackaging allows a remote attacker to bypass the web origin policy through the use of crafted network traffic. The web origin policy is a security mechanism that restricts how a document or script loaded from one origin can interact with a resource from another origin.

Recommendations Update Google Chrome to version 157.0.8103.38 or later.

Exploitability

Fix

Impacts

Researchers

Cassio Lima

Jaxt

Vendors

Affected products

Weakness enumeration

CWE-20: Improper Input Validation

Related identifiers