CVE-2026-11248 in Chrome
Summary
by MITRE • 06/05/2026
Inappropriate implementation in Google Lens 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
Google Lens functionality within Google Chrome browsers prior to version 149.0.7827.53 contained a security flaw that enabled remote attackers to circumvent intended navigation restrictions through carefully constructed HTML content. This vulnerability stemmed from inadequate validation mechanisms within the browser's implementation of Google Lens features, specifically when processing web pages that contained maliciously crafted elements designed to exploit navigation control bypasses. The flaw allowed attackers to manipulate the browser's navigation behavior and potentially access restricted content or navigate to unintended destinations without proper authorization.
The technical implementation issue manifested in how Chrome handled certain HTML elements and JavaScript interactions within the Google Lens context, creating a pathway for attackers to manipulate the browser's navigation stack or URL handling mechanisms. This weakness was classified as a low severity vulnerability by Chromium security standards, yet it represented a significant bypass of intended security controls that could potentially be leveraged in combination with other attack vectors. The vulnerability specifically targeted the navigation restriction enforcement mechanisms that should have prevented unauthorized access to certain browsing contexts or content areas.
The operational impact of this vulnerability extended beyond simple navigation bypasses, as it could potentially enable attackers to access sensitive information or perform unauthorized actions within the browser environment. Attackers could craft HTML pages that would trigger the vulnerable code path, allowing them to circumvent expected security boundaries and potentially access restricted resources or perform actions that should have been blocked by the browser's security model. This type of vulnerability could be particularly dangerous in environments where users might encounter malicious content through phishing attacks or compromised websites.
Organizations and users should prioritize updating to Chrome version 149.0.7827.53 or later to remediate this vulnerability, as the fix would address the underlying implementation flaw in Google Lens navigation handling. Security teams should monitor for any exploitation attempts related to this vulnerability and ensure that all browser instances are running patched versions to prevent potential abuse. The vulnerability aligns with common attack patterns described in the attack technique framework where navigation restrictions are bypassed through client-side manipulation, and represents a typical example of inadequate input validation that could be categorized under CWE-693, which deals with protection mechanism failures in software implementations.
This vulnerability demonstrates the importance of comprehensive security testing for integrated features within complex browser environments, particularly when third-party services like Google Lens are embedded within browser applications. The flaw underscores the need for robust sandboxing mechanisms and proper enforcement of navigation boundaries even within seemingly benign features, as attackers can exploit these gaps to extend their attack surface beyond intended security boundaries. Regular security updates and patch management processes are essential to protect against such implementation-level vulnerabilities that could compromise user browsing security and privacy.