What is CVE-2026-11189?

CVE-2026-11189 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-06-04.

How severe is CVE-2026-11189?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Google Chrome

CVE-2026-11189

Insufficient validation of untrusted input in DevTools in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chr…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Google Chrome — versions 149.0.7827.53

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chrome-cve-admin@google.com
chrome-cve-admin@google.com

Frequently asked questions

What is CVE-2026-11189?: CVE-2026-11189 is a medium-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-06-04.
How severe is CVE-2026-11189?: Medium severity. CVSS v3 base score is 6.5 out of 10.