CVE-2026-14538 BigQuery Dataset Allowlist Bypass via Metadata Dry-Run in MCP Toolbox

An improper authorization and security-boundary bypass vulnerability in the bigquery-execute-sql tool component of Google mcp-toolbox versions 0.16.1 through 1.4.0 allows an authenticated attacker to bypass allowedDatasets validation checks. The toolbox relies on the BigQuery dry-run API to enfor...

CVE-2026-14538

An improper authorization and security-boundary bypass vulnerability in the bigquery-execute-sql tool component of Google mcp-toolbox versions 0.16.1 through 1.4.0 allows an authenticated attacker to bypass allowedDatasets validation checks. The toolbox relies on the BigQuery dry-run API to enfor...

CVE-2026-15829

CVE-2026-15829 affects googleapis/mcp-toolbox (bigquery-forecast). The prebuilt forecasting tool interpolates client-controlled parameters (data_col, timestamp_col, id_cols) into a generated AI.FORECAST query via fmt.Sprintf without re-validation, enabling SQL injection (CWE-89) and a security bo...