CVE-2026-3259CWE-209

Sensitive Data Disclosure in BigQuery via Materialized View Error Messages

High · published April 23, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
31.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/U:Clear
EPSS
0.00382 · 31.0th percentile
Weakness
CWE-209 · Generation of Error Message Containing Sensitive Information
Published
2026-04-23T08:35Z
EPSS history
Timeline
  • 23 APR 08:35Z
    Sensitive Data Disclosure in BigQuery via Materialized View Error Messages
    cvelistv5