CVE-2026-11199 | Inappropriate implementation in WebRTC in Google Chrome prio… | CVSS 5.9 MEDIUM

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)

Metadata

CVE ID: CVE-2026-11199
State: PUBLISHED
Assigner: Chrome
Reserved: 2026-06-04 17:10 UTC
Published: 2026-06-04 23:05 UTC
Last updated: 2026-06-06 12:15 UTC
Primary CWE: CWE-20
Insufficient validation of untrusted input
Vendor / Product: Google / Chrome
Sources: cve.org · NVD

Severity & Metrics

5.9 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
Google	Chrome	—	149.0.7827.53 < 149.0.7827.53

Weakness (CWE)

CWE	Source	Description
CWE-20	cna	Insufficient validation of untrusted input

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.9	MEDIUM	3.1	adp	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References (2)