# CVE-2026-93328: Missing Authorization in MCP Toolbox for Databases allows Arbitrary File Read and Write

> CVE-2026-93328: Missing Authorization in MCP Toolbox for Databases allows Arbitrary File Read and Write. CVSS 9.3 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-93328
Last updated: 2026-10-26T17:17:31Z

- Published: 2026-10-26 14:24 UTC · Updated: 2026-10-26 17:17 UTC · Assigner: GoogleCloud
- CVSS: 9.3 (CVSS 4.0) · Severity: Critical
- EPSS: 0.53%, 45th percentile (scored 2026-11-04)
- CISA KEV: no
- CWE: CWE-22, CWE-862

## Description

Path Traversal and Missing Authorization in cloud-storage source in Google Cloud MCP Toolbox for Databases (googleapis/mcp-toolbox) versions 1.2.0 through 1.4.0 allows an unauthenticated remote attacker to exfiltrate host files to external Google Cloud Storage buckets and overwrite arbitrary local files via crafted tool invocation parameters.

## Affected vendors and products

- Google Cloud: MCP Toolbox for Databases (googleapis/mcp-toolbox)

## Tracked companies

- [Google Cloud](https://rewindex.com/company/google-cloud.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-93328)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-93328)
- [https://github.com/googleapis/mcp-toolbox/pull/3454](https://github.com/googleapis/mcp-toolbox/pull/3454)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-93328 · Markdown: https://rewindex.com/cve/CVE-2026-93328.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-93328 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:47:21.384Z