Description
Missing authorization in FedCM in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (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.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 09 Oct 2026 05:30:00 +0000

Type Values Removed Values Added
Title Missing Authorization in Chrome FedCM Allows Origin Policy Bypass

Fri, 09 Oct 2026 02:30:00 +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 03:45:00 +0000

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

Tue, 06 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
Title Missing Authorization in Chrome FedCM Allows Origin Policy Bypass

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

Type Values Removed Values Added
Description Missing authorization in FedCM in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-862
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-10-09T01:25:49.925Z

Reserved: 2026-10-06T16:34:23.612Z

Link: CVE-2026-106289

cve-icon Vulnrichment

Updated: 2026-10-09T01:25:32.951Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-10-06T19:17:56.720

Modified: 2026-10-09T02:16:58.657

Link: CVE-2026-106289

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-09T05:15:17Z

Weaknesses