WebRTC Information Disclosure in Google Chrome

Publication date: 2026-06-04

Last updated on: 2026-06-06

Assigner: Chrome

Description

Inappropriate implementation in WebRTC in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to leak cross-origin data via malicious network traffic. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-04

Last Modified

2026-06-06

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11199

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 WebRTC within Google Chrome versions prior to 149.0.7827.53. It allows an attacker who is in a privileged network position to leak cross-origin data by sending malicious network traffic.

Impact Analysis

The vulnerability can lead to unauthorized leakage of cross-origin data, which means sensitive information from one origin could be exposed to an attacker. This could compromise user privacy and security if an attacker is able to intercept or manipulate network traffic.

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