LeakyLooker: 9 Critical Google Looker Studio Vulnerabilities Exposed

Introduction Google Looker Studio, a powerful Business Intelligence platform, connects live to your data sources—BigQuery, PostgreSQL, MySQL, Google Sheets, Cloud Storage—enabling real-time dashboards and reports. But a series of nine critical cross-tenant vulnerabilities (dubbed “LeakyLooker”) turned this strength into a major attack surface. Attackers could execute arbitrary SQL, exfiltrate sensitive data, and modify records without victim interaction or permission. ...

March 18, 2026 · 11 min · 2318 words · Animesh Roy
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