CVE-2026-93328

The Google Cloud MCP Toolbox for Databases (googleapis/mcp-toolbox ) versions 1.2.0 through 1.4.0 contains a Path Traversal and Missing Authorization vulnerability in the cloud-storage source . An unauthenticated remote attacker can exploit this by using crafted tool invocation parameters to exfi...

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

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...

PT-2026-123369

Name of the Vulnerable Software and Affected Versions googleapis/mcp-toolbox versions 1.2.0 through 1.4.0 Description Path traversal and missing authorization in the cloud-storage source allow an unauthenticated remote attacker to exfiltrate host files to external Google Cloud Storage buckets and...

SUSE CVE-2026-11720

A path traversal vulnerability exists in the HTTP tool URL builder of googleapis/mcp-toolbox. When constructing downstream API requests, the URL builder substitutes user-controlled pathParams into the configured tool path and parses the resulting string as a relative URL. While it checks that the...

CVE-2026-16481

A Server-Side Request Forgery SSRF and credential exfiltration vulnerability exists in the cloud-healthcare-fhir-fetch-page tool of googleapis/mcp-toolbox. The tool takes an unvalidated pageURL parameter from the client and issues an HTTP GET request to it using an authenticated client. The...

CVE-2026-16481: Server-Side Request Forgery (SSRF)

A Server-Side Request Forgery SSRF and credential exfiltration vulnerability exists in the cloud-healthcare-fhir-fetch-page tool of googleapis/mcp-toolbox. The tool takes an unvalidated pageURL parameter from the client and issues an HTTP GET request to it using an authenticated client. The...

CVE-2026-15829

A SQL injection CWE-89 and security boundary bypass CWE-863 vulnerability exists in the prebuilt BigQuery forecasting tool bigquery-forecast of googleapis/mcp-toolbox. The tool accepts client-controlled parameters datacol, timestampcol, and idcols as plain strings and interpolates them unescaped...

CVE-2026-15829: Improper Neutralization of Special Elements used in an SQL Command

A SQL injection CWE-89 and security boundary bypass CWE-863 vulnerability exists in the prebuilt BigQuery forecasting tool bigquery-forecast of googleapis/mcp-toolbox. The tool accepts client-controlled parameters datacol, timestampcol, and idcols as plain strings and interpolates them unescaped...

CVE-2026-11720

A path traversal vulnerability exists in the HTTP tool URL builder of googleapis/mcp-toolbox. When constructing downstream API requests, the URL builder substitutes user-controlled pathParams into the configured tool path and parses the resulting string as a relative URL. While it checks that the...

CVE-2026-11720: Improper Limitation of a Pathname to a Restricted Directory

A path traversal vulnerability exists in the HTTP tool URL builder of googleapis/mcp-toolbox. When constructing downstream API requests, the URL builder substitutes user-controlled pathParams into the configured tool path and parses the resulting string as a relative URL. While it checks that the...

GO-2026-5706 googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken) in github.com/googleapis/mcp-toolbox

googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path validateOpaqueToken in github.com/googleapis/mcp-toolbox...

GO-2026-5251 googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path (validateOpaqueToken) in github.com/googleapis/mcp-toolbox

googleapis/mcp-toolbox: authentication bypass vulnerability in the generic opaque token validation path validateOpaqueToken in github.com/googleapis/mcp-toolbox...

CVE-2026-11717

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11718

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When the toolbox validates an opaque token via an OAuth 2.0 introspection endpoint RFC 7662, it decodes the response into an introspectResp struct. However, the...

CVE-2026-11717

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11717: Improper Authentication

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When verifying an unparsed opaque token via an OAuth 2.0 introspection endpoint RFC 7662, the toolbox decodes the response into an introspectResp struct where t...

CVE-2026-11718: Improper Authentication

An authentication bypass vulnerability exists in the generic opaque token validation path validateOpaqueToken of googleapis/mcp-toolbox. When the toolbox validates an opaque token via an OAuth 2.0 introspection endpoint RFC 7662, it decodes the response into an introspectResp struct. However, the...