Description
Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Published: 2026-09-09
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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, 09 Sep 2026 12:15:00 +0000

Type Values Removed Values Added
Title ServiceWorker Authorization Bypass Allowing Renderer Compromise to Disrupt Site Isolation chromium-browser: chromium-browser: Incorrect authorization in ServiceWorker
Weaknesses CWE-266
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

threat_severity

Important


Wed, 09 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
Title ServiceWorker Authorization Bypass Allowing Renderer Compromise to Disrupt Site Isolation

Wed, 09 Sep 2026 01:00:00 +0000

Type Values Removed Values Added
Description Incorrect authorization in ServiceWorker in Google Chrome prior to 153.0.8010.36 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-863
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-09-09T00:09:42.832Z

Reserved: 2026-09-08T22:38:03.913Z

Link: CVE-2026-87471

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-09T01:17:03.663

Modified: 2026-09-09T15:37:09.320

Link: CVE-2026-87471

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-09T00:09:42Z

Links: CVE-2026-87471 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T15:00:07Z

Weaknesses