Firebase Studio Auth Bypass: Unauthorized GCS URL Signing Leak
CVE-2026-12715 Published on July 17, 2026
Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft
Missing Authorization in Google Cloud Firebase Studio versions prior to 2026-04-15 on Google Cloud Platform allows an attacker to download other users' deployed source code and access sensitive data via unauthorized GCS URL signing requests.
This vulnerability was patched on 15 April 2026, and no customer action is needed.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-12715 has been classified to as an AuthZ vulnerability or weakness.
Affected Versions
Google Cloud Firebase Studio:- Before 2026-04-15 is affected.