CVE-2026-3259

Sensitive Data Disclosure in BigQuery via Materialized View Error Messages

HIGH

7.1

CVSS Score

Published: April 23, 2026 at 08:35 AM UTC

Updated: October 26, 2026 at 09:10 PM UTC

1 product affected across 1 vendorBigQuery

Using BigQuery by Google Cloud?

Get instant alerts when new vulnerabilities affect BigQuery - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.1

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

BigQuery · Google Cloud

90%

v < 01/29/2026

Affected range stops below 01/29/2026, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

https://docs.cloud.google.com/bigquery/docs/release-notes/#April_15_2026

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHGoogleCloud

Vector?

Quick Info

StatusAWAITING ANALYSIS

CWE

CWE-209

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card