CVE-2026-113294

Modified Modified - Updated After Analysis

Improper Input Validation in Google Chrome Loader

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Incorrect authorization in Loader in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-03

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-09

NVD

CVE-2026-113294

EUVD

EUVD-2026-105760

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 156.0.8078.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
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.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper input validation issue in the Loader component of Google Chrome versions prior to 156.0.8078.47. It allows a remote attacker to potentially execute arbitrary code inside the browser's sandbox by tricking a user into visiting a specially crafted HTML page. The Chromium security severity for this issue is rated as Low.

Detection Guidance

Detection of this vulnerability requires checking the installed version of Google Chrome. If your version is prior to 156.0.8078.47, the system is vulnerable. Use commands like 'google-chrome --version' or check via package manager (e.g., 'apt list --installed | grep chrome' for Debian-based systems).

Compare the output against the patched version 156.0.8078.47. If vulnerable, update Chrome immediately to mitigate the risk.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, even though it is contained within the sandbox. This could lead to unauthorized access to data, installation of malware, or other malicious activities while you are browsing the web.

Compliance Impact

This vulnerability involves improper input validation in Google Chrome, allowing remote attackers to execute arbitrary code inside the sandbox via crafted HTML pages. While it does not directly impact GDPR or HIPAA compliance, such vulnerabilities could potentially lead to unauthorized data access or processing, which may violate these regulations if exploited.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later to address the vulnerability.

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