CVE-2026-19153: High Insufficient validation of untrusted input in Workers

Published Jul 9, 2026
·
Updated

CVE-2026-19153 Insufficient validation of untrusted input in Workers

Other sources

Insufficient validation of untrusted input in Workers in Google Chrome prior to 151.0.7922.109 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)

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

Google

Affected Software

4 affected componentsFixes available
Google Chrome<151.0.7922.109
Google Chrome<151.0.7922.109
Microsoft Edge<151.0.4129.78
Microsoft Edge (Chromium-based)<151.0.4129.78
151.0.4129.78

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 151.0.4129.78
  2. Upgrade

    Upgrade Google Chrome / Microsoft Edge (Chromium-based) to a version that resolves this vulnerability.

    Fixed in 151.0.7922.109

Event History

Aug 6, 2026
CVE Published
via MITRE·08:33 PM
Data Sourced
via MITRE·08:33 PM
DescriptionWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected Software
Aug 10, 2026
Data Sourced
12:00 AM
SeverityWeakness
Aug 12, 2026
Data Sourced
via Microsoft·12:02 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·12:02 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-19153?

CVE-2026-19153 has a high severity rating due to the potential for remote attackers to exploit it.

2

How do I fix CVE-2026-19153?

To fix CVE-2026-19153, update Google Chrome to version 151.0.7922.109 or later.

3

What could happen if I don't address CVE-2026-19153?

Failing to address CVE-2026-19153 may allow attackers to bypass site isolation and execute malicious actions within the browser.

4

What is the impact of CVE-2026-19153?

The impact of CVE-2026-19153 is that it enables remote attackers to exploit insufficient validation of untrusted input in Google Chrome.

5

Who is affected by CVE-2026-19153?

Users of Google Chrome versions prior to 151.0.7922.109 are affected by CVE-2026-19153.

Contact

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