CVE-2026-14934
Cross-Tenant Repository Takeover via Improper Access Control in BigQuery, Dataform and Colab Enterprise
Description
A Missing Authorization vulnerability in the repository creation functionality in Google Cloud BigQuery, Dataform and Colab Enterprise, in the versions between October 2025 and May 10th, 2026, on Google Cloud Platform, allows an authenticated attacker to escalate privileges and perform cross-tenant repository takeover. This vulnerability was patched on 10 May 2026, and no customer action is needed.
INFO
Published Date :
July 13, 2026, 11:16 a.m.
Last Modified :
July 13, 2026, 11:16 a.m.
Remotely Exploit :
Yes !
Source :
f45cbf4e-4146-4068-b7e1-655ffc2c548c
Affected Products
The following products are affected by CVE-2026-14934
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
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | f45cbf4e-4146-4068-b7e1-655ffc2c548c | ||||
| CVSS 4.0 | CRITICAL | f45cbf4e-4146-4068-b7e1-655ffc2c548c |
Solution
- No customer action required.
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-2026-14934.
| URL | Resource |
|---|---|
| https://docs.cloud.google.com/support/bulletins#gcp-2026-047 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-14934 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-2026-14934
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-2026-14934 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-14934 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.
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New CVE Received by f45cbf4e-4146-4068-b7e1-655ffc2c548c
Jul. 13, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Google Cloud', 'product': 'BigQuery', 'versions': [{'status': 'affected', 'version': '2025-10', 'lessThan': '2026-05-10', 'versionType': 'date'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Google Cloud', 'product': 'Dataform', 'versions': [{'status': 'affected', 'version': '2025-10', 'lessThan': '2026-05-10', 'versionType': 'date'}], 'defaultStatus': 'unaffected'}, {'vendor': 'Google Cloud', 'product': 'Colab Enterprise', 'versions': [{'status': 'affected', 'version': '2025-10', 'lessThan': '2026-05-10', 'versionType': 'date'}], 'defaultStatus': 'unaffected'}] Added Description A Missing Authorization vulnerability in the repository creation functionality in Google Cloud BigQuery, Dataform and Colab Enterprise, in the versions between October 2025 and May 10th, 2026, on Google Cloud Platform, allows an authenticated attacker to escalate privileges and perform cross-tenant repository takeover. This vulnerability was patched on 10 May 2026, and no customer action is needed. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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-2026-047