CVE-2026-11219 in Chrome
Summary
by MITRE • 06/05/2026
Inappropriate implementation in Navigation in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 06/05/2026
This vulnerability represents a navigation restriction bypass in Google Chrome's implementation of the navigation API, specifically affecting versions prior to 149.0.7827.53. The issue stems from an inadequate validation mechanism within the browser's navigation handling system that fails to properly enforce security boundaries when processing crafted HTML content. The flaw allows remote attackers to circumvent intended navigation restrictions that should normally prevent certain types of page transitions or content loading operations. According to chromium security severity classification, this represents a low severity issue, though the potential for bypassing navigation controls can still create security concerns in environments where strict content access policies are enforced.
The technical implementation flaw manifests in how Chrome processes navigation commands within HTML documents, particularly when dealing with complex navigation scenarios involving multiple frames, iframes, or cross-origin navigation attempts. The vulnerability likely occurs when the browser fails to properly validate navigation targets or when it incorrectly interprets navigation restrictions imposed by security policies. This could involve improper handling of window.open() calls, frame navigation restrictions, or other navigation-related APIs that should normally enforce security boundaries. The issue may be related to insufficient input validation or state management within the browser's navigation subsystem, allowing crafted HTML to manipulate navigation behavior in unexpected ways.
The operational impact of this vulnerability extends beyond simple navigation bypass, as it could potentially enable attackers to access restricted content or navigate to unintended destinations within the browser's security model. While classified as low severity, the vulnerability could be exploited in conjunction with other techniques to create more significant security issues, particularly in environments where navigation restrictions are used as part of broader security controls. Attackers could craft malicious web pages that appear to respect navigation restrictions but actually bypass them to access protected resources or trigger unintended browser behaviors. The vulnerability may also impact enterprise security policies that rely on Chrome's navigation controls to prevent unauthorized access to internal resources.
Mitigation strategies for this vulnerability should focus on immediate browser updates to versions 149.0.7827.53 or later where the issue has been addressed. Organizations should also review their security policies and ensure that navigation restrictions are implemented at multiple layers including browser configuration, network-level controls, and application-level security measures. Additional protective measures could include implementing content security policies that restrict navigation behavior, using browser security extensions, and monitoring for unusual navigation patterns that might indicate exploitation attempts. From a compliance perspective, this vulnerability aligns with CWE-284 Access Control Issues, where insufficient access control mechanisms allow unauthorized navigation behavior. The ATT&CK framework would classify this under T1059 Command and Scripting Interpreter and potentially T1190 Exploit Public-Facing Application, as it represents a browser-based attack vector that could be leveraged to bypass security controls and potentially escalate privileges through manipulation of navigation APIs.