CVE-2026-106408: Protection mechanism failure in Google Chrome
Description
A protection mechanism failure in Google Chrome on iOS prior to version 155.0.8059.39 allows a remote attacker to bypass the web origin policy via a crafted HTML page. This vulnerability affects mobile versions of Chrome on iOS and is rated with medium severity by Chromium security. The issue was addressed in version 155.0.8059.39.
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-106408 is a vulnerability in Google Chrome on iOS where a protection mechanism failure enables a remote attacker to bypass the web origin policy by using a specially crafted HTML page. This flaw affects versions of Chrome on iOS prior to 155.0.8059.39. The web origin policy is a critical security feature that restricts how documents or scripts loaded from one origin can interact with resources from another origin. Bypassing this policy can lead to unauthorized access to web content. The vulnerability has been fixed in version 155.0.8059.39.
Potential Impact
Exploitation of this vulnerability allows a remote attacker to bypass the web origin policy on affected versions of Chrome on iOS. This could potentially lead to unauthorized access to web content or data that should be restricted by origin boundaries. The severity is rated medium by Chromium security, indicating a moderate risk level.
Mitigation Recommendations
Users and administrators should update Google Chrome on iOS to version 155.0.8059.39 or later, where this vulnerability has been fixed. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:38:16.678Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac546602cdf04f656d4a0a5
Added to database: 10/06/2026, 19:05:04 UTC
Last enriched: 10/06/2026, 19:19:44 UTC
Last updated: 10/06/2026, 22:28:09 UTC
Views: 3
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