Description
Improper input validation in SignIn in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)
Published: 2026-10-06
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories

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History

Wed, 07 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
Title Chrome SignIn Input Validation Flaw Allows Social Engineering Attack to Bypass Access Restrictions via Crafted Extension

Wed, 07 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 07 Oct 2026 05:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Tue, 06 Oct 2026 21:45:00 +0000

Type Values Removed Values Added
Title Chrome SignIn Input Validation Flaw Allows Social Engineering Attack to Bypass Access Restrictions via Crafted Extension

Tue, 06 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description Improper input validation in SignIn in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted Chrome extension. (Chromium security severity: Medium)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-10-07T19:57:08.551Z

Reserved: 2026-10-06T16:33:50.459Z

Link: CVE-2026-106263

cve-icon Vulnrichment

Updated: 2026-10-07T19:57:04.416Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-10-06T19:17:53.763

Modified: 2026-10-07T20:17:09.023

Link: CVE-2026-106263

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-07T22:00:06Z

Weaknesses
  • CWE-20

    Improper Input Validation