CVE-2026-106331: Improper input validation in Google Chrome
Description
CVE-2026-106331 is a vulnerability in Google Chrome prior to version 155.0.8059.39 involving improper input validation in Extensions. This flaw allows a remote attacker, using social engineering, to bypass the web origin policy and access a privileged page via a crafted Chrome extension. The Chromium security team has rated this vulnerability as low severity.
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability arises from improper input validation in the Extensions component of Google Chrome before version 155.0.8059.39. An attacker can exploit this by crafting a malicious Chrome extension and leveraging social engineering techniques to bypass the web origin policy, thereby gaining access to privileged pages. The issue is recognized and documented by the Chromium security team with a low severity rating.
Potential Impact
An attacker who successfully exploits this vulnerability can bypass the web origin policy, potentially accessing privileged pages within the browser environment. However, the severity is rated low by the Chromium security team, indicating limited impact or difficulty in exploitation.
Mitigation Recommendations
A fix is available in Google Chrome version 155.0.8059.39. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory for details: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:35:35.325Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac546522cdf04f656d49e11
Added to database: 10/06/2026, 19:04:50 UTC
Last enriched: 10/06/2026, 21:19:08 UTC
Last updated: 10/07/2026, 00:08:15 UTC
Views: 4
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