CVE-2026-106312: Missing authorization in SignIn

Published Apr 13, 2026
·
Updated

Missing authorization in SignIn in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to obtain sensitive information via a crafted Chrome extension. (Chromium security severity: Low)

Credit

Google

Affected Software

2 affected componentsFixes available
Google Chrome<155.0.8059.39
155.0.8059.39
Google Chrome<155.0.8059.39

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

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

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which Chrome installations are affected?

Google Chrome versions prior to 155.0.8059.39 are affected. Systems running that version or a later version are not identified as affected by the provided data.

2

What does an attacker need to exploit this issue?

The attacker needs to use social engineering to persuade a user to interact with a crafted Chrome extension. The CVSS vector indicates the attack can be performed remotely and does not require attacker privileges, but does require user interaction.

3

What is the expected impact of successful exploitation?

Successful exploitation may allow disclosure of sensitive information. The provided CVSS vector identifies confidentiality impact as high and does not identify integrity or availability impact.

Company

Resources

Contact

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