CVE-2026-11129: Inappropriate implementation in Google Chrome
CVE-2026-11129 is a medium severity vulnerability in Google Chrome prior to version 149.0.7827.53. It involves an inappropriate implementation in Chrome Extensions that allows a remote attacker to leak cross-origin data via a crafted HTML page. The vulnerability is related to CWE-352 (Cross-Site Request Forgery). No known exploits are reported in the wild. The issue is addressed in Chrome version 149.0.7827.53.
AI Analysis
Technical Summary
This vulnerability in Google Chrome's Extensions component prior to version 149.0.7827.53 allows remote attackers to leak cross-origin data by exploiting an inappropriate implementation. The flaw enables data leakage through a crafted HTML page, potentially violating same-origin policy protections. The CVSS v3.1 base score is 6.5 (medium severity), with an attack vector of network, low attack complexity, no privileges required, user interaction required, unchanged scope, and high confidentiality impact. The vulnerability corresponds to CWE-352, indicating a cross-site request forgery related weakness. The vendor advisory linked indicates the issue is fixed in version 149.0.7827.53.
Potential Impact
Successful exploitation allows remote attackers to leak sensitive cross-origin data from the browser, potentially exposing confidential information. There is no impact on integrity or availability. The vulnerability requires user interaction and can be triggered remotely over the network.
Mitigation Recommendations
Users should update Google Chrome to version 149.0.7827.53 or later, where this vulnerability is fixed. Since this is a client-side browser vulnerability, applying the official update is the primary mitigation. No additional vendor-provided temporary fixes or workarounds are indicated.
CVE-2026-11129: Inappropriate implementation in Google Chrome
Description
CVE-2026-11129 is a medium severity vulnerability in Google Chrome prior to version 149.0.7827.53. It involves an inappropriate implementation in Chrome Extensions that allows a remote attacker to leak cross-origin data via a crafted HTML page. The vulnerability is related to CWE-352 (Cross-Site Request Forgery). No known exploits are reported in the wild. The issue is addressed in Chrome version 149.0.7827.53.
CVSS v3.1
Score 6.5medium
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
This vulnerability in Google Chrome's Extensions component prior to version 149.0.7827.53 allows remote attackers to leak cross-origin data by exploiting an inappropriate implementation. The flaw enables data leakage through a crafted HTML page, potentially violating same-origin policy protections. The CVSS v3.1 base score is 6.5 (medium severity), with an attack vector of network, low attack complexity, no privileges required, user interaction required, unchanged scope, and high confidentiality impact. The vulnerability corresponds to CWE-352, indicating a cross-site request forgery related weakness. The vendor advisory linked indicates the issue is fixed in version 149.0.7827.53.
Potential Impact
Successful exploitation allows remote attackers to leak sensitive cross-origin data from the browser, potentially exposing confidential information. There is no impact on integrity or availability. The vulnerability requires user interaction and can be triggered remotely over the network.
Mitigation Recommendations
Users should update Google Chrome to version 149.0.7827.53 or later, where this vulnerability is fixed. Since this is a client-side browser vulnerability, applying the official update is the primary mitigation. No additional vendor-provided temporary fixes or workarounds are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:06:56.702Z
- 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: 6a22083be29bf47b50dbc26a
Added to database: 06/04/2026, 23:20:27 UTC
Last enriched: 06/12/2026, 10:13:54 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 32
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