CVE-2026-11199CWE-20

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…

Medium · published June 4, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
8.1
In the wild
Unconfirmed
What it is

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)

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00189 · 8.1th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-06-04T23:05Z
EPSS history
Timeline
  • 04 JUN 23:05Z
    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…
    cvelistv5