Description
Incorrect authorization in SiteIsolation in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
Published: 2026-09-29
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 30 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 30 Sep 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/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, 30 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: chromium-browser: Incorrect authorization in SiteIsolation
Weaknesses CWE-346
References
Metrics threat_severity

None

cvssV3_1

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

threat_severity

Low


Tue, 29 Sep 2026 22:15:00 +0000

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

Tue, 29 Sep 2026 20:00:00 +0000

Type Values Removed Values Added
Description Incorrect authorization in SiteIsolation in Google Chrome prior to 154.0.8037.92 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-863
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-30T16:56:31.143Z

Reserved: 2026-09-28T21:45:25.695Z

Link: CVE-2026-102330

cve-icon Vulnrichment

Updated: 2026-09-30T16:56:26.452Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-09-29T20:17:16.463

Modified: 2026-09-30T17:16:40.380

Link: CVE-2026-102330

cve-icon Redhat

Severity : Low

Publid Date: 2026-09-29T19:45:07Z

Links: CVE-2026-102330 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T09:00:07Z

Weaknesses