CVE-2026-3259: CWE-209 Generation of error message containing sensitive information in Google Cloud BigQuery
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.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-3259) in Google Cloud BigQuery allows an authenticated user to potentially disclose sensitive information by creating a specially crafted materialized view that triggers a runtime error during the refresh process. The error messages generated may contain sensitive data, leading to information disclosure. The issue is categorized under CWE-209 (Generation of error message containing sensitive information). Google patched this vulnerability on January 29, 2026. Since BigQuery is a cloud service, Google manages the remediation server-side, and customers do not need to take any action.
Potential Impact
An authenticated user could exploit this vulnerability to obtain sensitive information through error messages generated during materialized view refreshes. This could lead to unauthorized disclosure of data within the affected Google Cloud BigQuery environment. However, there are no known exploits in the wild, and the vulnerability has been officially patched by Google.
Mitigation Recommendations
The vulnerability was patched by Google on January 29, 2026. As this is a cloud-hosted service, Google manages the remediation server-side. Customers do not need to take any action. Verify through the official Google Cloud advisory for confirmation and ensure your environment is using the updated service version.
CVE-2026-3259: CWE-209 Generation of error message containing sensitive information in Google Cloud BigQuery
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-3259) in Google Cloud BigQuery allows an authenticated user to potentially disclose sensitive information by creating a specially crafted materialized view that triggers a runtime error during the refresh process. The error messages generated may contain sensitive data, leading to information disclosure. The issue is categorized under CWE-209 (Generation of error message containing sensitive information). Google patched this vulnerability on January 29, 2026. Since BigQuery is a cloud service, Google manages the remediation server-side, and customers do not need to take any action.
Potential Impact
An authenticated user could exploit this vulnerability to obtain sensitive information through error messages generated during materialized view refreshes. This could lead to unauthorized disclosure of data within the affected Google Cloud BigQuery environment. However, there are no known exploits in the wild, and the vulnerability has been officially patched by Google.
Mitigation Recommendations
The vulnerability was patched by Google on January 29, 2026. As this is a cloud-hosted service, Google manages the remediation server-side. Customers do not need to take any action. Verify through the official Google Cloud advisory for confirmation and ensure your environment is using the updated service version.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GoogleCloud
- Date Reserved
- 2026-02-26T14:21:42.934Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
- Is Cloud Service
- true
Threat ID: 69e9eb8887115cfb68f9fc43
Added to database: 4/23/2026, 9:51:04 AM
Last enriched: 4/23/2026, 10:06:41 AM
Last updated: 4/24/2026, 6:09:04 AM
Views: 10
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