Cross-Tenant Repository Takeover via Improper Access Control in BigQuery, Dataform and Colab Enterprise
Priority MEDIUM 42CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00351 28th percentileScored 2026-11-07
Fix Fixed BigQuery (Google Cloud): 2026-05-10Dataform (Google Cloud): 2026-05-10+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| BigQuery | 2025-10 to before 2026-05-10 | 2026-05-10 | Patch available | CNA | |
| Dataform | 2025-10 to before 2026-05-10 | 2026-05-10 | Patch available | CNA | |
| Colab Enterprise | 2025-10 to before 2026-05-10 | 2026-05-10 | Patch available | CNA |
- BigQuery VendorGoogle Affected 2025-10 to before 2026-05-10 Fixed in 2026-05-10 Patch available CNA
- Dataform VendorGoogle Affected 2025-10 to before 2026-05-10 Fixed in 2026-05-10 Patch available CNA
- Colab Enterprise VendorGoogle Affected 2025-10 to before 2026-05-10 Fixed in 2026-05-10 Patch available CNA
Remediation
- Fix · CNA BigQuery (Google Cloud) Fixed in 2026-05-10
- Fix · CNA Dataform (Google Cloud) Fixed in 2026-05-10
- Fix · CNA Colab Enterprise (Google Cloud) Fixed in 2026-05-10
Timeline
- 2026-10-02 Threatist record created from CVE-2026-14934
- 2026-10-03 Alias added: GHSA-c9x2-6hqc-cm9v
References
More Google vulnerabilities
- TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04898 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04600 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2024-04346 Use after free in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
Sources
- CVE-2026-14934 · CVE Program
- CVE-2026-14934 · NVD
- FIRST EPSS
- GHSA-c9x2-6hqc-cm9v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences