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)

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Fixes

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History

Thu, 05 Nov 2026 15:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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

Projects

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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 : Analyzed

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

Modified: 2026-11-05T14:55:42.830

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