CVE-2026-14934: Cross-Tenant Repository Takeover via Improper Access Control in BigQuery, Dataform and Colab Enterprise
Critical · CVSS 9.4 (CVSS 4.0)EPSS 0.35%, 28th percentilePublished Updated Assigner: GoogleCloud
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.
CWE-862
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Google Cloud: BigQueryGoogle Cloud: Colab EnterpriseGoogle Cloud: Dataform
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- docs.cloud.google.com/support/bulletins (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)