Inappropriate Web Share Implementation in Google Chrome

Publication date: 2026-06-04

Last updated on: 2026-06-09

Assigner: Chrome

Description

Inappropriate implementation in Web Share in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-04

Last Modified

2026-06-09

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11128

EUVD

EUVD-2026-34589

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 is an inappropriate implementation in the Web Share feature of Google Chrome versions prior to 149.0.7827.53. It allows a remote attacker to trick a user into performing specific user interface gestures, which then causes cross-origin data to be leaked through a specially crafted HTML page.

Impact Analysis

The impact of this vulnerability is that an attacker can obtain data from other origins (websites) without proper authorization by convincing the user to interact with a malicious page. This could lead to unauthorized disclosure of sensitive information.

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