CVE-2026-12715

HIGH

Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://docs.cloud.google.com/support/bulletins#gcp-2026-043

Scores

CVSS v4 8.5

EPSS 0.0021

EPSS Percentile 11.0%

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Clear

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-862

Status published

Products (1)

Google Cloud/Firebase Studio < 2026-04-15

Published Jul 17, 2026

Tracked Since Jul 17, 2026