CVE-2026-17730: Side-channel information leakage in Google Chrome
A side-channel information leakage vulnerability exists in the Autofill feature of Google Chrome versions prior to 151.0.7922.72. This flaw allows a remote attacker to leak cross-origin data by convincing a user to perform specific UI gestures on a crafted HTML page. The vulnerability is classified with medium severity by Chromium security.
AI Analysis
Technical Summary
CVE-2026-17730 is a side-channel information leakage vulnerability in the Autofill component of Google Chrome before version 151.0.7922.72. An attacker can exploit this by tricking a user into interacting with a maliciously crafted webpage that leverages specific UI gestures to leak data from other origins. This cross-origin data leakage arises from the Autofill feature's improper handling of side-channel information.
Potential Impact
An attacker who successfully exploits this vulnerability can obtain cross-origin data that should otherwise be inaccessible, potentially exposing sensitive user information. However, exploitation requires user interaction with a crafted webpage, limiting the attack scope. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Since this is a client-side browser vulnerability, updating the browser is the primary mitigation step.
CVE-2026-17730: Side-channel information leakage in Google Chrome
Description
A side-channel information leakage vulnerability exists in the Autofill feature of Google Chrome versions prior to 151.0.7922.72. This flaw allows a remote attacker to leak cross-origin data by convincing a user to perform specific UI gestures on a crafted HTML page. The vulnerability is classified with medium severity by Chromium security.
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-17730 is a side-channel information leakage vulnerability in the Autofill component of Google Chrome before version 151.0.7922.72. An attacker can exploit this by tricking a user into interacting with a maliciously crafted webpage that leverages specific UI gestures to leak data from other origins. This cross-origin data leakage arises from the Autofill feature's improper handling of side-channel information.
Potential Impact
An attacker who successfully exploits this vulnerability can obtain cross-origin data that should otherwise be inaccessible, potentially exposing sensitive user information. However, exploitation requires user interaction with a crafted webpage, limiting the attack scope. There are no known exploits in the wild at this time.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Since this is a client-side browser vulnerability, updating the browser is the primary mitigation step.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-fwgj-pjpg-r36c
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-17730"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6ae51d9c2644c7f8982de7
Added to database: 07/30/2026, 05:46:05 UTC
Last enriched: 07/30/2026, 06:41:46 UTC
Last updated: 07/31/2026, 02:51:53 UTC
Views: 3
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