Description
Improper input validation in Mobile 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: High)
Published: 2026-11-03
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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: Improper input validation in Mobile
References
Metrics threat_severity

None

threat_severity

Important


Wed, 04 Nov 2026 23:15:00 +0000

Type Values Removed Values Added
Title Web‑Origin Policy Bypass via Improper Input Validation in Chrome

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'}


Tue, 03 Nov 2026 22:45:00 +0000

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

Tue, 03 Nov 2026 22:30:00 +0000

Type Values Removed Values Added
Title Web‑Origin Policy Bypass via Improper Input Validation in Chrome

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

Type Values Removed Values Added
Description Improper input validation in Mobile 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: High)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-11-04T20:21:09.045Z

Reserved: 2026-11-03T09:26:24.122Z

Link: CVE-2026-121087

cve-icon Vulnrichment

Updated: 2026-11-04T20:18:12.347Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-11-03T21:17:14.260

Modified: 2026-11-04T21:17:58.690

Link: CVE-2026-121087

cve-icon Redhat

Severity : Important

Publid Date: 2026-11-03T20:42:29Z

Links: CVE-2026-121087 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-11-04T23:00:21Z

Weaknesses