What’s Vulnerable › Vulnerabilities
CVE-2026-14934: Cross-Tenant Repository Takeover via Improper Access Control in BigQuery, Dataform and Colab Enterprise
- Severity: critical (CVSS 9.4 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-13 · updated 2026-07-13
- Weakness: CWE-862
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.
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
How to fix
Upgrade to a fixed version: Google Cloud BigQuery 2026-05-10; Google Cloud Colab Enterprise 2026-05-10; Google Cloud Dataform 2026-05-10. Check the vendor advisory for mitigations.
References
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