Description
Missing authorization in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
Published: 2026-11-03
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 05 Nov 2026 00:30:00 +0000

Type Values Removed Values Added
Title chromium-browser: Missing authorization in V8
References
Metrics threat_severity

None

threat_severity

Low


Wed, 04 Nov 2026 23:30:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Policy Bypass in Chrome V8

Wed, 04 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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


Wed, 04 Nov 2026 00:00:00 +0000

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

Tue, 03 Nov 2026 23:00:00 +0000

Type Values Removed Values Added
Title Cross‑Origin Policy Bypass in Chrome V8

Tue, 03 Nov 2026 20:45:00 +0000

Type Values Removed Values Added
Description Missing authorization in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-862
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-11-04T20:21:06.990Z

Reserved: 2026-11-03T10:34:57.175Z

Link: CVE-2026-121251

cve-icon Vulnrichment

Updated: 2026-11-04T20:14:54.635Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-11-03T21:17:35.797

Modified: 2026-11-04T21:18:05.880

Link: CVE-2026-121251

cve-icon Redhat

Severity : Low

Publid Date: 2026-11-03T20:42:58Z

Links: CVE-2026-121251 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T23:15:16Z

Weaknesses