CVE-2026-106422
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Incorrect Authorization in Google Chrome API

Publication date: 2026-10-06

Last updated on: 2026-10-06

Assigner: Chrome

Description
Incorrect authorization in API in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

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Meta Information

Published
2026-10-06
Last Modified
2026-10-06
Generated
2026-10-06
AI Q&A
2026-10-06
EPSS Evaluated
N/A
NVD
CVE-2026-106422
EUVD
EUVD-2026-93611

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Google Chrome 155.0.8059.39

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

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Executive Summary

This vulnerability is an incorrect authorization issue in Google Chrome's API. It allows a remote attacker to bypass the web origin policy by using a specially crafted HTML page. This means the browser may not properly enforce security boundaries between different websites.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 155.0.8059.39. To detect it, check your Chrome version by running chrome://version/ in the browser address bar. If the version is below 155.0.8059.39, the system is vulnerable.

Impact Analysis

This vulnerability could allow an attacker to access data or perform actions on a website as if they were a legitimate user. This might lead to unauthorized access to sensitive information or interactions with the site without proper permissions.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.39 or later immediately. This can be done via the browser's built-in update mechanism or by downloading the latest version from Google's official website.

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