8.5
HIGH CVSS 4.0
CVE-2026-12715
Missing Authorization in Firebase Studio allows Cross-Tenant Source Code Theft
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.

INFO

Published Date :

July 17, 2026, 4:17 p.m.

Last Modified :

July 17, 2026, 4:17 p.m.

Remotely Exploit :

Yes !

Source :

f45cbf4e-4146-4068-b7e1-655ffc2c548c
Affected Products

The following products are affected by CVE-2026-12715 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 4.0 HIGH f45cbf4e-4146-4068-b7e1-655ffc2c548c
CVSS 4.0 HIGH f45cbf4e-4146-4068-b7e1-655ffc2c548c
Solution
This vulnerability is already patched; no customer action is required.
  • Verify the patch for Google Cloud Firebase Studio has been applied.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-12715.

URL Resource
https://docs.cloud.google.com/support/bulletins#gcp-2026-043
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-12715 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-12715 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-12715 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-12715 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by f45cbf4e-4146-4068-b7e1-655ffc2c548c

    Jul. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Google Cloud', 'product': 'Firebase Studio', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '2026-04-15', 'versionType': 'date'}], 'defaultStatus': 'unaffected'}]
    Added 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.
    Added CVSS V4.0 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
    Added CWE CWE-862
    Added Reference https://docs.cloud.google.com/support/bulletins#gcp-2026-043
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-12715', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-17T15:28:39.995725Z'}
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.