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...

utcp-http SSRF: HTTP tool invocation follows redirects without re-validating the target

Summary HttpCommunicationProtocol.calltool validates only the pre-redirect tool URL, then issues the request with redirects enabled and never re-checks where it lands. A tool whose endpoint is an attacker-controlled public URL can therefore 302-redirect the UTCP client into an internal service...

CVE-2026-61643 FastGPT: workflow runtime can execute another user's private HTTP toolset

FastGPT is a knowledge-based AI application platform. From 4.14.17 until 4.15.0-beta5, an authenticated FastGPT user can save a workflow node that points to another user's private HTTP toolset by using a crafted saved tool id such as http-/. The normal toolset routes deny access, but the workflow...

Open WebUI's chat completion API allows tool restrictions to be bypassed

SummaryOpen WebUI v0.6.43 contains a vulnerability in its chat completion API, which allows attackers to bypass tool restrictions, potentially enabling unauthorized actions or access. DetailsIn the chatcompletion API, the parameters toolids and toolservers are supplied by the user. These paramete...

CVE-2026-54607

FastGPT exposed an SSRF issue in the HTTP-tool OpenAPI schema importer prior to 4.15.0-beta4. The importer validates only the top-level URL before handing refs to SwaggerParser.bundle, whose resolver can fetch and inline $ref URLs bypassing FastGPT’s internal-address guard, enabling an authentica...

CVE-2026-54607: Server-Side Request Forgery (SSRF)

FastGPT is a knowledge-based AI application platform. Prior to 4.15.0-beta4, the HTTP-tool OpenAPI schema importer validates only the top-level URL before passing it to SwaggerParser.bundle, whose remote reference resolver fetches $ref URLs without FastGPT's internal-address guard and returns...

GHSA-VWXW-JRG6-9JXV MCP Toolbox HTTP tool path parameters allow traversal to unintended endpoints

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...

MCP Toolbox HTTP tool path parameters allow traversal to unintended endpoints

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...