What’s Vulnerable › Vulnerabilities
CVE-2026-3259: Sensitive Data Disclosure in BigQuery via Materialized View Error Messages
- Severity: high (CVSS 7.1 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-23 · updated 2026-10-26
- Weakness: CWE-209
Description
A Generation of Error Message Containing Sensitive Information vulnerability in the Materialized View Refresh mechanism in Google BigQuery on Google Cloud Platform allows an authenticated user to potentially disclose sensitive data using a crafted materialized view that triggers a runtime error during the refresh process. This vulnerability was patched on 29 January 2026, and no customer action is needed.
Affected products
- Google Cloud BigQuery: before 01/29/2026 — fixed in 01/29/2026
How to fix
Upgrade to a fixed version: Google Cloud BigQuery 01/29/2026. Check the vendor advisory for mitigations.
References
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