CVE-2026-93328: Missing Authorization in MCP Toolbox for Databases allows Arbitrary File Read and Write
Critical · CVSS 9.3 (CVSS 4.0)EPSS 0.53%, 45th percentilePublished Updated Assigner: GoogleCloud
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.
CWE-22, CWE-862
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Google Cloud: MCP Toolbox for Databases (googleapis/mcp-toolbox)
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- github.com/googleapis/mcp-toolbox/pull/3454 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)