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CVE-2026-14538

UNKNOWN · CVSS N/A Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-07-31T02:16:28.757 · Çekilme zamanı: 2026-07-31T06:07:22.228153+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

GitHub PoC Linkleri

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CVE
CVE-2026-14538
Severity
UNKNOWN
CVSS
N/A
EPSS
Yok

Orijinal NVD Açıklaması

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 enforce dataset restrictions, but due to a fail-open logic flaw, it bypasses validation when the API returns an empty array for specialized constructs. This allows the attacker to extract structural DDL schemas for explicitly excluded datasets via INFORMATION_SCHEMA, and access downstream federated row data via EXTERNAL_QUERY connections.