Security Bulletin: IBM ContextForge MCP Gateway is affected by a denial-of-service via tool name collision through slug normalization

Summary IBM ContextForge MCP Gateway contains a vulnerability in its federated gateway tool-name normalization logic where an authenticated user with gateway-create permission can register a gateway whose computed tool slug collides with an existing public tool name in the same team, causing...

CVE-2026-58497

Prior to version 0.225.2 , Uni-CLI (specifically the @zenalexa/unicli package) is vulnerable to a Cross-Site Request Forgery (CSRF) due to a lack of browser Origin header validation on its legacy JSON-RPC-over-HTTP MCP transport. A malicious web page can bypass the browser-to-localhost boundary b...

CVE-2026-58497 Uni-CLI: Legacy HTTP MCP transport accepted browser-originated localhost requests

Uni-CLI gives people and agents one command interface for websites, browsers, desktop applications, local tools, and MCP. Prior to version 0.225.2, Uni-CLI exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A maliciou...

CVE-2026-58497 Uni-CLI: Legacy HTTP MCP transport accepted browser-originated localhost requests

Uni-CLI gives people and agents one command interface for websites, browsers, desktop applications, local tools, and MCP. Prior to version 0.225.2, Uni-CLI exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A maliciou...

CVE-2026-58497 Uni-CLI: Legacy HTTP MCP transport accepted browser-originated localhost requests

Uni-CLI gives people and agents one command interface for websites, browsers, desktop applications, local tools, and MCP. Prior to version 0.225.2, Uni-CLI exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A maliciou...

Allocation of Resources Without Limits or Throttling

Overview @modelcontextprotocol/sdk is a Model Context Protocol implementation for TypeScript Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the tools/call request handler in mcp.ts, where an attacker can send a tools/call request with ...

Allocation of Resources Without Limits or Throttling

Overview @modelcontextprotocol/server is a Model Context Protocol implementation for TypeScript - Server package Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the tools/call request handler in mcp.ts, where an attacker can send a...

CVE-2026-75128

Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the...

EUVD-2026-104685

Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the...

CVE-2026-75128

Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the...

CVE-2026-75128 Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint

Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the...

CVE-2026-75128 Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint

Langchain-Chatchat through 0.3.1.3 exposes a POST /tools/call API endpoint that invokes any registered tool by name without authentication, leaving the always-registered shell tool callable. Remote attackers can send a single request naming the shell tool to execute arbitrary OS commands as the...

CVE-2026-75128

Langchain-Chatchat versions through 0.3.1.3 are vulnerable to unauthenticated Remote Code Execution (RCE) due to a missing authentication check on the POST /tools/call API endpoint. This endpoint allows the invocation of any registered tool by name; specifically, the shell tool is always register...

PT-2026-117947

Name of the Vulnerable Software and Affected Versions Langchain-Chatchat versions prior to 0.3.1.4 Description The software exposes a POST '/tools/call' API endpoint that allows the invocation of any registered tool by name without authentication. Because the shell tool is registered by default,...

Chatchat-Space Langchain-Chatchat Authorization Issue Vulnerability

Chatchat-Space Langchain-Chatchat 0.3.1.3 and earlier versions have an authorization issue vulnerability. This vulnerability arises from the POST /tools/call API endpoint, which allows arbitrary registered tools to be called without authentication. This enables remote attackers to execute arbitra...

CVE-2026-55786

Flyto2 Core is an execution kernel for automation and AI-agent workflows. From 2.26.2 until 2.26.4, the HTTP MCP POST /mcp route accepts unauthenticated JSON-RPC tools/call requests and forwards executemodule arguments to the module registry without the requireauth dependency used by the REST...

CVE-2026-88257

Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and numeric...

CVE-2026-88257 beam_mcp: nested tool argument constraints advertised but not enforced

Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and numeric...

EEF-CVE-2026-88257 beam_mcp: nested tool argument constraints advertised but not enforced

Summary Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and...

CVE-2026-88257 beam_mcp: nested tool argument constraints advertised but not enforced

Improper Input Validation vulnerability in BeamMCP.Schema in ScriptKittyOS beammcp allows an MCP client to reach a tool's dispatch function with arguments that violate the input schema the server advertised. BeamMCP.Schema.validate/2 checked type, required, additionalProperties, enum and numeric...