CVE-2026-79136: Incorrect authorization in Google Chrome
Description
Incorrect authorization in ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves incorrect authorization in the ServiceWorker implementation of Google Chrome before version 152.0.7977.65. An attacker can exploit this flaw by crafting a malicious HTML page that bypasses the web origin policy, which is designed to isolate web content from different origins. The issue was addressed in the stable channel update released by Google, as documented in their advisory.
Potential Impact
The vulnerability allows a remote attacker to bypass the web origin policy, potentially enabling unauthorized access to web content that should be restricted by origin boundaries. The CVSS score of 4.3 indicates a medium impact primarily on confidentiality, with no direct impact on integrity or availability.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 152.0.7977.65 or later, where this vulnerability has been fixed. The vendor advisory confirms that the issue is addressed in this update. No additional mitigation steps are required once the update is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:10:13.605Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9d6acd9273b49ac70e7
Added to database: 08/25/2026, 20:23:50 UTC
Last enriched: 09/18/2026, 23:06:47 UTC
Last updated: 10/08/2026, 18:48:48 UTC
Views: 36
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