Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-14934— Cross-Tenant Repository Takeover via Improper Access Control in BigQuery, Dataform and Colab Enterprise

Quick assessment

Affected
Google Cloud BigQuery
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Cloud BigQuery是Google Cloud的云计算。 Google Cloud BigQuery、Dataform和Colab Enterprise存在授权问题漏洞，该漏洞源于仓库创建功能中存在授权缺失问题，可能导致已认证攻击者提升权限并执行跨租户仓库接管。

AI Predicted 9.1 Difficulty: Moderate EPSS 0.35% · P26

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 3

VendorProduct Version RangeStatus
Google Cloud BigQuery 2025-10< 2026-05-10 affected
Google Cloud Colab Enterprise 2025-10< 2026-05-10 affected
Google Cloud Dataform 2025-10< 2026-05-10 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-14934

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cross-Tenant Repository Takeover via Improper Access Control in BigQuery, Dataform and Colab Enterprise
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/U:Clear
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Google Cloud BigQuery 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Cloud BigQuery是Google Cloud的云计算。 Google Cloud BigQuery、Dataform和Colab Enterprise存在授权问题漏洞，该漏洞源于仓库创建功能中存在授权缺失问题，可能导致已认证攻击者提升权限并执行跨租户仓库接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Google Cloud BigQuery 2025-10 ~ 2026-05-10 -
Google Cloud Dataform 2025-10 ~ 2026-05-10 -
Google Cloud Colab Enterprise 2025-10 ~ 2026-05-10 -

II. Public POCs for CVE-2026-14934

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-14934

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-14934 (1)

IV. Related Vulnerabilities

Same product: BigQuery
Same vendor: Google Cloud
Same weakness: CWE-862

V. Comments for CVE-2026-14934

No comments yet

Leave a comment