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LeakyLooker: Critical Vulnerabilities in Google Looker Studio Exposed
First seen 10 Mar 2026, 17:12 UTC
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Tenable Research disclosed 'LeakyLooker', a set of nine cross-tenant vulnerabilities in Google Looker Studio, which could allow attackers to exfiltrate or modify data across Google services like BigQuery and Google Sheets. Google has since remediated all identified issues, but the vulnerabilities broke fundamental design assumptions, posing a significant risk to user data security.
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Timeline
2026-03-10
Tenable Research published findings on LeakyLooker vulnerabilities
2026-03-10
Google remediated all identified vulnerabilities