CVE-2026-11128: Insufficient validation of untrusted input in Google Chrome
Inappropriate implementation in Web Share in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
AI Analysis
Technical Summary
CVE-2026-11128 is a medium severity vulnerability in Google Chrome's Web Share implementation before version 149.0.7827.53. It arises from improper validation of untrusted input, enabling a remote attacker to leak cross-origin data if a user is tricked into performing certain UI gestures on a maliciously crafted HTML page. The vulnerability does not require privileges but does require user interaction. It impacts confidentiality but not integrity or availability.
Potential Impact
Successful exploitation can lead to unauthorized disclosure of cross-origin data, compromising user privacy and confidentiality. There is no indication of impact on data integrity or system availability. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 149.0.7827.53. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked provides official update information. No additional mitigations are specified.
CVE-2026-11128: Insufficient validation of untrusted input in Google Chrome
Description
Inappropriate implementation in Web Share in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-11128 is a medium severity vulnerability in Google Chrome's Web Share implementation before version 149.0.7827.53. It arises from improper validation of untrusted input, enabling a remote attacker to leak cross-origin data if a user is tricked into performing certain UI gestures on a maliciously crafted HTML page. The vulnerability does not require privileges but does require user interaction. It impacts confidentiality but not integrity or availability.
Potential Impact
Successful exploitation can lead to unauthorized disclosure of cross-origin data, compromising user privacy and confidentiality. There is no indication of impact on data integrity or system availability. No known exploits are reported in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 149.0.7827.53. Users and administrators should update to this version or later to remediate the vulnerability. The vendor advisory linked provides official update information. No additional mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:06:56.431Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a22083be29bf47b50dbc266
Added to database: 06/04/2026, 23:20:27 UTC
Last enriched: 06/12/2026, 09:54:02 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 29
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