Chrome Network Policy CSP Bypass Vulnerability

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Inappropriate implementation in Network in Google Chrome prior to 150.0.7871.47 allowed an attacker in a privileged network position to bypass content security policy via malicious network traffic. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-30

Last Modified

2026-06-30

Generated

2026-07-01

AI Q&A

2026-07-01

EPSS Evaluated

N/A

NVD

CVE-2026-13876

EUVD

EUVD-2026-40562

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 150.0.7871.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is an inappropriate implementation in the Network component of Google Chrome versions prior to 150.0.7871.47. It allows an attacker who has a privileged position within the network to bypass the browser's content security policy by using malicious network traffic.

Impact Analysis

An attacker exploiting this vulnerability could bypass content security policies, potentially allowing them to execute unauthorized actions or inject malicious content in your browser sessions. This could lead to compromised data integrity or exposure to malicious content.

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