CVE-2026-93328
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability—
Product
MCP Toolbox for Databases (googleapis/mcp-toolbox)
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-862Missing authorizationCWE-22Path traversal
How to fix
Update
- Google Cloud MCP Toolbox for Databases (googleapis/mcp-toolbox)1.5.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Google Cloud MCP Toolbox for Databases (googleapis/mcp-toolbox) | 1.2.0 ≤ v < 1.5.0 | 1.5.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.