Chrome DevTools Insufficient Input Validation Security Bypass

Publication date: 2026-06-04

Last updated on: 2026-06-05

Assigner: Chrome

Description

Insufficient validation of untrusted input in DevTools in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass same origin policy via malicious network traffic. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-04

Last Modified

2026-06-05

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-10922

EUVD

EUVD-2026-34371

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 149.0.7827.53 (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.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in the DevTools component of Google Chrome versions prior to 149.0.7827.53. It allows a remote attacker to bypass the same origin policy by convincing a user to perform specific user interface gestures, leveraging malicious network traffic.

Impact Analysis

The vulnerability can allow a remote attacker to bypass the same origin policy, which is a critical security mechanism that restricts how documents or scripts loaded from one origin can interact with resources from another origin. This bypass could lead to unauthorized access to sensitive information or actions within the browser, potentially compromising user data or security.

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