CVE record · CVE-2026-93328

Missing Authorization in MCP Toolbox for Databases allows Arbitrary File Read and Write

CVSS 9.3 CriticalCriticalEPSS 0.0053 · 44th percentile

Critical, because:

CVSS score 9.3: 9.0 or more.

Published by the CVE Program (CNA: GoogleCloud) at 26 Oct 2026, 14:24 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Google Cloud	MCP Toolbox for Databases (googleapis/mcp-toolbox)	affected 1.2.0 to before 1.5.0 custom Other versions: unaffected

Identifiers: CVE-2026-93328
CNA: GoogleCloud
Weakness (CWE): CWE-22 · CWE-862
Tags: Google Cloud MCP Toolbox for Databases (googleapis/mcp-toolbox)
Path traversal
Broken access control
Published: 26 Oct 2026
Updated: 26 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.3	Critical	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/U:Amber	CNA (GoogleCloud)

CISA KEV Not listed.
EPSS 0.0053, the 44th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 26 Oct 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/googleapis/mcp-toolbox/pull/3454

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.