CVE-2026-19153
Google · Chrome
Insufficient validation of untrusted input in Google Chrome Workers allows for potential security risks during background processing.
Executive summary
A vulnerability involving insufficient input validation in Google Chrome Workers could lead to security bypasses or unauthorized operations.
Vulnerability
This vulnerability is caused by insufficient validation of untrusted input (CWE-20) within the Web Workers implementation. It is an unauthenticated, remote attack vector that requires user interaction to facilitate the exploitation of the input validation flaw.
Business impact
The CVSS score of 8.1 indicates a high severity level. The vulnerability could be leveraged to perform unauthorized actions or access sensitive information, potentially impacting the integrity and confidentiality of data processed within the browser session.
Remediation
Immediate Action: Update Google Chrome to the version addressed in the latest vendor security advisory.
Proactive Monitoring: Review logs for suspicious input patterns or anomalous activity originating from browser-based background processes.
Compensating Controls: Deploy endpoint security solutions capable of inspecting browser-based traffic and restricting the execution of suspicious scripts or workers.
Exploitation status
Public Exploit Available: No (exploit_available: false)
Analyst recommendation
Insecure input validation in browser components is a common vector for web-based attacks. Organizations should mandate the update of Google Chrome to the latest version to ensure that validation logic is correctly applied and the risk of this vulnerability is mitigated.