Improper input validation in Omnibox in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: High)
History

Thu, 03 Sep 2026 17:30:00 +0000

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

Wed, 02 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

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'}


Wed, 02 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Title Omnibox Input Validation Flaw Allows Origin Policy Bypass chromium-browser: chromium-browser: Improper input validation in Omnibox
Weaknesses CWE-346
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

threat_severity

Important


Wed, 02 Sep 2026 04:30:00 +0000

Type Values Removed Values Added
Title Omnibox Input Validation Flaw Allows Origin Policy Bypass

Wed, 02 Sep 2026 02:45:00 +0000

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

Wed, 02 Sep 2026 00:00:00 +0000

Type Values Removed Values Added
Description Improper input validation in Omnibox in Google Chrome prior to 152.0.7977.75 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: High)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-09-01T23:42:26.344Z

Updated: 2026-09-02T18:43:22.452Z

Reserved: 2026-09-01T16:21:38.717Z

Link: CVE-2026-84357

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-09-02T00:18:29.627

Modified: 2026-09-03T17:19:47.820

Link: CVE-2026-84357

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-01T23:42:26Z

Links: CVE-2026-84357 - Bugzilla