CVE-2026-106408

Analyzed Analyzed - Analysis Complete

Chrome Origin Policy Bypass on iOS

Publication date: 2026-10-06

Last updated on: 2026-10-09

Assigner: Chrome

Description

Protection mechanism failure in Mobile in Google Chrome on on iOS prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-10-06

Last Modified

2026-10-09

Generated

2026-10-19

AI Q&A

2026-10-06

EPSS Evaluated

2026-10-18

NVD

CVE-2026-106408

EUVD

EUVD-2026-93697

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 155.0.8059.39 (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 a protection mechanism failure in Google Chrome on iOS. It allows a remote attacker to bypass the web origin policy by tricking a user into visiting a specially crafted HTML page. This means the attacker could potentially access or interact with content from different websites than intended.

Detection Guidance

This vulnerability involves a protection mechanism failure in Google Chrome on iOS. Detection would require checking the Chrome version installed on iOS devices. If the version is prior to 155.0.8059.39, the system is vulnerable. No specific commands are provided in the context for detection.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive data from other websites you are logged into, perform actions on your behalf without consent, or manipulate what you see on a webpage. It primarily affects users of Google Chrome on iOS versions prior to 155.0.8059.39.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, which may violate GDPR (data protection) or HIPAA (health information privacy) requirements. Organizations using affected Chrome versions on iOS may face compliance risks if user data is compromised.

Mitigation Strategies

Update Google Chrome on iOS to version 155.0.8059.39 or later to address the protection mechanism failure.

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