CVE-2026-102320: Missing authorization in Google Chrome
Missing authorization in CORS 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: Medium)
AI Analysis
Technical Summary
CVE-2026-102320 is a vulnerability in Google Chrome's CORS mechanism affecting versions prior to 154.0.8037.92. It allows an attacker who has already compromised the renderer process to bypass the web origin policy by exploiting missing authorization checks in CORS. This could enable unauthorized cross-origin access via a crafted HTML page. The vulnerability is rated medium severity by Chromium security.
Potential Impact
An attacker with control over the renderer process can bypass the web origin policy, potentially allowing unauthorized access to resources from different origins. This could lead to information disclosure or other security issues within the browser context. However, exploitation requires prior compromise of the renderer process.
Mitigation Recommendations
Google has released an official fix in Chrome version 154.0.8037.92. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-102320: Missing authorization in Google Chrome
Description
Missing authorization in CORS 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: Medium)
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-102320 is a vulnerability in Google Chrome's CORS mechanism affecting versions prior to 154.0.8037.92. It allows an attacker who has already compromised the renderer process to bypass the web origin policy by exploiting missing authorization checks in CORS. This could enable unauthorized cross-origin access via a crafted HTML page. The vulnerability is rated medium severity by Chromium security.
Potential Impact
An attacker with control over the renderer process can bypass the web origin policy, potentially allowing unauthorized access to resources from different origins. This could lead to information disclosure or other security issues within the browser context. However, exploitation requires prior compromise of the renderer process.
Mitigation Recommendations
Google has released an official fix in Chrome version 154.0.8037.92. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-28T21:44:44.741Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.html","vendor":"Google"}]
Threat ID: 6abc2562680226ef68441400
Added to database: 09/29/2026, 20:53:54 UTC
Last enriched: 09/29/2026, 21:36:58 UTC
Last updated: 09/30/2026, 03:03:22 UTC
Views: 4
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