CVE-2026-106221: Confused deputy in WebAPKs

Published Jul 28, 2026
·
Updated

Chromium CVE-2026-106221: Confused deputy in WebAPKs

Other sources

Confused deputy in WebAPKs in Google Chrome on on Android 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: Low)

— MITRE

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

5 affected componentsFixes available
Google Chrome<155.0.8059.39
155.0.8059.39
All of the following
Google Chrome<155.0.8059.39
Google Android
Microsoft Edge (Chromium-based)<155.0.4283.48
155.0.4283.48
Microsoft Edge<155.0.4283.48
155.0.4283.48

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 155.0.4283.48
  3. Upgrade

    Upgrade Google Chrome on Android to a version that resolves this vulnerability.

    Fixed in 155.0.8059.39

Event History

Jul 28, 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 27, 2026
Data Sourced
via Microsoft·06:50 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Who is exposed to this issue?

Users of Google Chrome on Android running a version earlier than 155.0.8059.39 are affected. Exploitation requires the user to interact with a crafted HTML page through social engineering.

2

What access does an attacker need to exploit it?

The attacker can be remote and does not need local device access, but must persuade a target to engage with a crafted HTML page. The reported impact is a bypass of web origin policy through WebAPKs.

3

What is the remediation?

Update Google Chrome on Android to version 155.0.8059.39 or later. The provided information does not specify an alternative mitigation for devices that cannot be updated.

Company

Resources

Contact

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