Missing authorization in Workers 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 PDF file. (Chromium security severity: Medium)
History

Sat, 10 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
Title chromium-browser: Missing authorization in Workers
References
Metrics threat_severity

None

threat_severity

Moderate


Thu, 08 Oct 2026 18:15:00 +0000

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

Wed, 07 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
Title Missing authorization allows site isolation bypass in Chrome via crafted PDF

Wed, 07 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

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

ssvc

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


Wed, 07 Oct 2026 03:45:00 +0000

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

Tue, 06 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
Title Missing authorization allows site isolation bypass in Chrome via crafted PDF

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

Type Values Removed Values Added
Description Missing authorization in Workers 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 PDF file. (Chromium security severity: Medium)
Weaknesses CWE-862
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published: 2026-10-06T18:41:30.427Z

Updated: 2026-10-07T19:56:22.583Z

Reserved: 2026-10-06T16:34:02.463Z

Link: CVE-2026-106271

cve-icon Vulnrichment

Updated: 2026-10-07T19:56:18.962Z

cve-icon NVD

Status : Analyzed

Published: 2026-10-06T19:17:54.677

Modified: 2026-10-08T18:03:58.367

Link: CVE-2026-106271

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-06T18:41:30Z

Links: CVE-2026-106271 - Bugzilla