EUVD-2026-84951

A caching flaw in the toolbox-core package of the mcp-toolbox-sdk-python SDK causes the same Google ID token to be cached and reused across different audiences. If an application uses the SDK to authenticate to two or more different audiences within the same process, the module-level token cache...

CVE-2026-19202

A caching flaw in the toolbox-core package of the mcp-toolbox-sdk-python SDK causes the same Google ID token to be cached and reused across different audiences. If an application uses the SDK to authenticate to two or more different audiences within the same process, the module-level token cache...

CVE-2026-19202

The mcp-toolbox-sdk-python SDK contains a caching flaw within its toolbox-core package. The module-level token cache fails to uniquely key Google ID tokens by the requested audience. If an application authenticates to multiple audiences (e.g., Service A and Service B) within the same process, a v...

CVE-2026-19202 Token Cache Reuse in mcp-toolbox-sdk-python

A caching flaw in the toolbox-core package of the mcp-toolbox-sdk-python SDK causes the same Google ID token to be cached and reused across different audiences. If an application uses the SDK to authenticate to two or more different audiences within the same process, the module-level token cache...

CVE-2026-19202 Token Cache Reuse in mcp-toolbox-sdk-python

A caching flaw in the toolbox-core package of the mcp-toolbox-sdk-python SDK causes the same Google ID token to be cached and reused across different audiences. If an application uses the SDK to authenticate to two or more different audiences within the same process, the module-level token cache...

GO-2026-6411 MCP Toolbox HTTP tool path parameters allow traversal to unintended endpoints in github.com/googleapis/mcp-toolbox

MCP Toolbox HTTP tool path parameters allow traversal to unintended endpoints in github.com/googleapis/mcp-toolbox...

GO-2026-6288 MCP Toolbox for Databases has an Origin Validation Error in github.com/googleapis/genai-toolbox

MCP Toolbox for Databases has an Origin Validation Error in github.com/googleapis/genai-toolbox...

PT-2026-82037

MCP Toolbox for Databases has an Origin Validation Error in github.com/googleapis/genai-toolbox...

CVE-2026-14541

An authentication bypass and audience confusion vulnerability exists in the Google OAuth provider component of Google mcp-toolbox version 1.4.0. When a Google authService is initialized with mcpEnabled: true but lacks an explicitly defined audience or clientId, the ValidateMCPAuth pipeline for...

CVE-2026-14540

A Server-Side Request Forgery SSRF vulnerability exists in the generic HTTP source and tool components of Google mcp-toolbox versions 0.3.0 through 1.4.0. While the toolbox implements baseline input sanitization for user-controlled parameters, the underlying HTTP client...

CVE-2026-14537

Incorrect Authorization in the direct HTTP API tool invocation endpoint in Google mcp-toolbox versions v1.3.0 and v1.4.0 allows an unauthenticated attacker to invoke tools protected by the scopeRequired feature via sending tool invocation requests through legacy HTTP endpoints when the --enable-a...

CVE-2026-14541 Authentication Bypass and Audience Confusion in MCP Toolbox OAuth Provider

An authentication bypass and audience confusion vulnerability exists in the Google OAuth provider component of Google mcp-toolbox version 1.4.0. When a Google authService is initialized with mcpEnabled: true but lacks an explicitly defined audience or clientId, the ValidateMCPAuth pipeline for...

CVE-2026-14541

The CVE concerns Google mcp-toolbox version 1.4.0 in its Google OAuth provider component. If an authService is initialized with mcpEnabled: true but without an explicit audience or clientId, the ValidateMCPAuth pipeline for opaque tokens omits audience validation. This causes the toolbox to accep...

CVE-2026-14541 Authentication Bypass and Audience Confusion in MCP Toolbox OAuth Provider

An authentication bypass and audience confusion vulnerability exists in the Google OAuth provider component of Google mcp-toolbox version 1.4.0. When a Google authService is initialized with mcpEnabled: true but lacks an explicitly defined audience or clientId, the ValidateMCPAuth pipeline for...

CVE-2026-14541

An authentication bypass and audience confusion vulnerability exists in the Google OAuth provider component of Google mcp-toolbox version 1.4.0. When a Google authService is initialized with mcpEnabled: true but lacks an explicitly defined audience or clientId, the ValidateMCPAuth pipeline for...

CVE-2026-14540

CVE-2026-14540 reports an SSRF in Google mcp-toolbox, affecting versions 0.3.0 through 1.4.0. The issue lies in the HTTP client (internal/sources/http/http.go), which initializes without a restrictive CheckRedirect policy and lacks target IP validation. An attacker could provide a crafted path pa...

CVE-2026-14540 Server-Side Request Forgery via Unrestricted HTTP Redirection in MCP Toolbox

A Server-Side Request Forgery SSRF vulnerability exists in the generic HTTP source and tool components of Google mcp-toolbox versions 0.3.0 through 1.4.0. While the toolbox implements baseline input sanitization for user-controlled parameters, the underlying HTTP client...

CVE-2026-14540

A Server-Side Request Forgery SSRF vulnerability exists in the generic HTTP source and tool components of Google mcp-toolbox versions 0.3.0 through 1.4.0. While the toolbox implements baseline input sanitization for user-controlled parameters, the underlying HTTP client...

EUVD-2026-51374

A Server-Side Request Forgery SSRF vulnerability exists in the generic HTTP source and tool components of Google mcp-toolbox versions 0.3.0 through 1.4.0. While the toolbox implements baseline input sanitization for user-controlled parameters, the underlying HTTP client...

CVE-2026-14540 Server-Side Request Forgery via Unrestricted HTTP Redirection in MCP Toolbox

A Server-Side Request Forgery SSRF vulnerability exists in the generic HTTP source and tool components of Google mcp-toolbox versions 0.3.0 through 1.4.0. While the toolbox implements baseline input sanitization for user-controlled parameters, the underlying HTTP client...