CVE-2026-11189: Insufficient validation of untrusted input in DevTools

Published Apr 16, 2026
·
Updated

Chromium: CVE-2026-11189 Insufficient validation of untrusted input in DevTools

Other sources

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. (Chromium security severity: Medium)

— NVD

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

— Microsoft

Credit

lebr0nli(National Yang Ming Chiao Tung University), Dept.(CS), Security, Systems Lab

Affected Software

7 affected componentsFixes available
Google Chrome<149.0.7827.53
149.0.7827.53
Microsoft Edge (Chromium-based)
Patch available
Microsoft Edge<149.0.4022.52
All of the following
Google Chrome<149.0.7827.53
Any of the following
Apple macOS
Linux Linux kernel
Microsoft Windows

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53
  2. Upgrade

    Upgrade Google Chrome to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53
  3. Upgrade

    Upgrade Chromium to a version that resolves this vulnerability.

    Fixed in 149.0.7827.53
  4. Remove

    Remove browser/untrusted-extension from your environment.

    Uninstall any untrusted or suspicious browser extensions from affected systems.

  5. Compensating control

    Prevent installation of untrusted browser extensions until browsers are updated (for example, disable extension installation or restrict to enterprise-approved extensions via group policy/extension management).

  6. Operational

    Apply Microsoft Edge (Chromium-based) updates when Microsoft releases the build that ingests the Chromium fix (Chromium 149.0.7827.53). Monitor Microsoft advisories and deploy the Edge update to affected systems promptly.

Event History

Apr 16, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Jun 4, 2026
CVE Published
via MITRE·11:05 PM
Data Sourced
via MITRE·11:05 PM
DescriptionWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Jun 5, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:00 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2026-11189?

The severity of CVE-2026-11189 is medium with a CVSS score of 6.5.

2

How do I fix CVE-2026-11189?

To fix CVE-2026-11189, update Google Chrome or Microsoft Edge to version 149.0.7827.53 or later.

3

What software is affected by CVE-2026-11189?

CVE-2026-11189 affects Google Chrome and Microsoft Edge (Chromium-based).

4

What type of vulnerability is CVE-2026-11189?

CVE-2026-11189 is categorized as an input validation vulnerability.

5

How can attackers exploit CVE-2026-11189?

Attackers can exploit CVE-2026-11189 by convincing users to install a malicious extension that bypasses navigation restrictions.

Company

Resources

Contact

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