# CVE-2026-3259: Sensitive Data Disclosure in BigQuery via Materialized View Error Messages

> CVE-2026-3259: Sensitive Data Disclosure in BigQuery via Materialized View Error Messages. CVSS 7.1 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-3259
Last updated: 2026-06-17T10:43:17Z

- Published: 2026-04-23 08:35 UTC · Updated: 2026-06-17 10:43 UTC · Assigner: GoogleCloud
- CVSS: 7.1 (CVSS 4.0) · Severity: High
- EPSS: 0.23%, 13th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: 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 vendors and products

- Google Cloud: BigQuery

## Tracked companies

- [Google Cloud](https://rewindex.com/company/google-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-3259)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-3259)
- [https://docs.cloud.google.com/bigquery/docs/release-notes/\#April\_15\_2026](https://docs.cloud.google.com/bigquery/docs/release-notes/#April_15_2026)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-3259 · Markdown: https://rewindex.com/cve/CVE-2026-3259.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-3259 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:05:52.729Z