CVE-2026-106260: Incorrect authorization in Google Chrome
Description
An incorrect authorization vulnerability in Google Chrome's DevTools prior to version 155.0.8059.39 allows a remote attacker to leak cross-origin data via a crafted HTML page using social engineering techniques. The vulnerability has a CVSS score of 4.3, indicating medium severity. The issue is addressed in Chrome version 155.0.8059.39.
CVSS v3.1
Score 4.3medium
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-106260 is an authorization flaw in Google Chrome's DevTools component affecting versions before 155.0.8059.39. This flaw permits a remote attacker, through social engineering, to cause cross-origin data leakage by crafting a malicious HTML page. The vulnerability is rated with a CVSS 3.1 base score of 4.3 (medium severity), reflecting low complexity and no privileges required but requiring user interaction. The flaw does not impact integrity or availability, only confidentiality to a limited extent.
Potential Impact
The vulnerability allows unauthorized disclosure of cross-origin data, potentially exposing sensitive information to remote attackers who can convince users to visit a malicious page. There is no impact on data integrity or system availability. The overall impact is limited to confidentiality loss.
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 at https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:33:47.638Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac546432cdf04f656d49d7e
Added to database: 10/06/2026, 19:04:35 UTC
Last enriched: 10/06/2026, 22:04:18 UTC
Last updated: 10/06/2026, 22:04:18 UTC
Views: 1
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