CVE-2026-5919CWE-20

Insufficient validation of untrusted input in WebSockets in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer…

Medium · published April 8, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
21.3
In the wild
Unconfirmed
What it is

Insufficient validation of untrusted input in WebSockets in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00297 · 21.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-04-08T21:21Z
EPSS history
Timeline
  • 08 APR 21:21Z
    Insufficient validation of untrusted input in WebSockets in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer…
    cvelistv5