Insufficient Policy Enforcement in DevTools in Google Chrome

Publication date: 2026-05-06

Last updated on: 2026-05-07

Assigner: Chrome

Description

Insufficient policy enforcement in DevTools in Google Chrome prior to 148.0.7778.96 allowed an attacker who convinced a user to install a malicious extension to leak cross-origin data via a crafted Chrome Extension. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-05-06

Last Modified

2026-05-07

Generated

2026-07-06

AI Q&A

2026-05-06

EPSS Evaluated

2026-07-05

NVD

CVE-2026-8004

EUVD

EUVD-2026-28111

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 148.0.7778.96 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-693	The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Attack-Flow Graph

Executive Summary

This vulnerability is an insufficient policy enforcement issue in the DevTools component of Google Chrome versions prior to 148.0.7778.96. It allows an attacker who convinces a user to install a malicious Chrome extension to leak cross-origin data by exploiting crafted extensions.

Impact Analysis

If exploited, this vulnerability can lead to unauthorized leakage of cross-origin data through a malicious Chrome extension. This means sensitive information from different origins could be exposed to attackers if a user installs a crafted malicious extension.

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