Google VRP (Google Bug Hunters)
336 posts
@GoogleVRP
We ❤️ 🐜🐞🦗🦟🦋. {echo,{{{Google,Chrome,Android,Abuse,Mobile,OSS,Cloud}Vulnerability,Patch}Reward,VulnerabilityResearchGrants}Program}
I achieved a cross-tenant #RCE in #GoogleCloud simply by abusing predictable bucket names. 🪣 In my latest research for @FocalSecurity, I look into "Bucket Squatting" - a cross-tenant attack that landed me 3 critical vulnerabilities in GCP. Here is how it works:
🫣LeakyLooker: 1 Cross-tenant vulnerability? How about 9? (1/10)🧵 I’m incredibly proud to share LeakyLooker. I discovered 9 novel cross-tenant vulnerabilities in Google Cloud’s Looker Studio that broke fundamental design assumptions. Here is how I broke tenant isolation: 👇
👼GatewayToHeaven (CVE-2025-13292). I discovered a cross-tenant vulnerability in @GoogleCloud's #Apigee, allowing me to access other organizations' data (and sometimes even plaintext JWTs of end users). Below is the full breakdown of the exploit chain⛓️
