CVE-2026-14934: Google Cloud Bigquery

Critical severity, CVSS 9.4. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Google Cloud Bigquery: from 2025-10, before 2026-05-10 (fixed in 2026-05-10)
• Google Cloud Colab Enterprise: from 2025-10, before 2026-05-10 (fixed in 2026-05-10)
• Google Cloud Dataform: from 2025-10, before 2026-05-10 (fixed in 2026-05-10)

Published 2026-07-13. Last modified 2026-07-13.