Vulnerability details

CVE-2026-14934

Google Cloud BigQueryGoogle Cloud Colab EnterpriseGoogle Cloud Dataform

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

CVSS 4.0
9.4Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
9.4Critical 4.0 CVEProject cvelistV5 (CNA) (GoogleCloud) 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

Affected products

VendorProductVersionsSource
Google Cloud BigQuery 2025-10 ≤ v < 2026-05-10 CVEProject cvelistV5 (CNA)
Google Cloud Colab Enterprise 2025-10 ≤ v < 2026-05-10 CVEProject cvelistV5 (CNA)
Google Cloud Dataform 2025-10 ≤ v < 2026-05-10 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-07-13
Last updated
2026-07-13
State
Published
Assigner (CNA)
GoogleCloud

Exploit prediction (EPSS)

0.35%
Probability of exploitation in 30 days
28.8%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-862
    Missing Authorization