Missing authorization in SiteIsolation in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
History

Fri, 09 Oct 2026 16:15:00 +0000

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

Fri, 09 Oct 2026 02:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

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

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, 07 Oct 2026 03:00:00 +0000

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

Wed, 07 Oct 2026 00:15:00 +0000

Type Values Removed Values Added
Title chromium-browser: chromium-browser: Missing authorization in SiteIsolation
Weaknesses CWE-653
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N'}

threat_severity

Moderate


Tue, 06 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description Missing authorization in SiteIsolation in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-862
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-10-06T18:41:32.390Z

Updated: 2026-10-09T01:28:17.561Z

Reserved: 2026-10-06T16:37:18.881Z

Link: CVE-2026-106384

cve-icon Vulnrichment

Updated: 2026-10-09T01:28:10.475Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-06T19:18:07.623

Modified: 2026-10-09T15:57:06.930

Link: CVE-2026-106384

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-06T18:41:32Z

Links: CVE-2026-106384 - Bugzilla