New "LeakyLooker" Flaws in Google Looker Studio Could Enable Cross-Tenant SQL Queries
Mar 10, 2026
Database Security / Vulnerability
Cybersecurity researchers have disclosed nine cross-tenant vulnerabilities in Google Looker Studio that could have permitted attackers to run arbitrary SQL queries on victims' databases and exfiltrate sensitive data within organizations' Google Cloud environments. The shortcomings have been collectively named LeakyLooker by Tenable. There is no evidence that the vulnerabilities were exploited in the wild. Following responsible disclosure in June 2025, the issues have been addressed by Google. The list of security flaws is as follows - Cross Tenant Unauthorized Access - Zero-Click SQL Injection on Database Connectors Cross Tenant Unauthorized Access - Zero-Click SQL Injection Through Stored Credentials Cross Tenant SQL Injection on BigQuery Through Native Functions Cross-Tenant Data Sources Leak With Hyperlinks Cross Tenant SQL injection on Spanner and BigQuery Through Custom Queries on a Victim’s Data Source Cross Tenant SQL Injection on BigQuery and Spanner Through...