CVE-2026-106189: Code injection in ReaderMode

Published Apr 13, 2026
·
Updated

Chromium CVE-2026-106189: Code injection

Other sources

Code injection in ReaderMode in Google Chrome on on iOS prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (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

Google

Affected Software

4 affected componentsFixes available
Google Chrome<155.0.8059.39
155.0.8059.39
All of the following
Google Chrome<155.0.8059.39
Apple iPhone OS
Microsoft Edge (Chromium-based)<155.0.4283.45
155.0.4283.45

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 155.0.8059.39
  2. Upgrade

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

    Fixed in 155.0.4283.45
  3. Upgrade

    Upgrade Google Chrome for iOS to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

Apr 13, 2026
CVE Published
12:00 AM
Data Sourced
12:00 AM
SeverityWeaknessAffected Software
Oct 6, 2026
CVE Published
via MITRE·06:41 PM
Data Sourced
via MITRE·06:41 PM
DescriptionWeakness
Data Sourced
via NVD·07:17 PM
DescriptionSeverityWeaknessAffected Software
Oct 16, 2026
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which users are exposed to exploitation?

Users of Google Chrome on iOS versions earlier than 155.0.8059.39 are affected. Exploitation requires the user to be socially engineered into opening a crafted HTML page.

2

What security boundary can an attacker bypass?

A successful exploit can bypass the web origin policy. The issue is described as code injection in ReaderMode.

3

What is the immediate remediation?

Update Google Chrome on iOS to version 155.0.8059.39 or later. The provided data does not specify an alternative mitigation if updating is not immediately possible.

Company

Resources

Contact

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