LiteLLM: MCP Proxy Has Improper Authentication

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

mcpsnoop

Wireshark for MCP. A transparent proxy that shows every real tool call between your AI client and your MCP servers, live in your terminal. The problem The official MCP Inspector connects as its own client, so it never sees what your client Cursor, Claude Code, Codex actually sends your server. An...

CVE-2026-79538

metatool-ai MetaMCP up to and including 2.4.22 is vulnerable to Code Execution in the internal MCP inspector proxy endpoint GET /mcp-proxy/server/stdio createTransport, STDIO branch, routers/mcp-proxy/server.ts...

Aegis-releases

Aegis Claude Code's sandbox lets an agent read your SSH keys and AWS credentials by default. Aegis doesn't. Two layers, both verified on real hardware. Kernel sandbox — the agent's own shell cannot reach a denied path: $ ! cat /.ssh/idrsa cat: /Users/you/.ssh/idrsa: Operation not permitted $ ! ca...

CVE-2026-79538

The metatool-ai MetaMCP software, specifically version 2.4.22 and below, is vulnerable to Code Execution . This vulnerability exists in the internal MCP inspector proxy endpoint at GET /mcp-proxy/server/stdio. The root cause is located within the createTransport function in the STDIO branch , spe...

CVE-2026-79538

metatool-ai MetaMCP up to and including 2.4.22 is vulnerable to Code Execution in the internal MCP inspector proxy endpoint GET /mcp-proxy/server/stdio createTransport, STDIO branch, routers/mcp-proxy/server.ts...

CVE-2026-79538

metatool-ai MetaMCP up to and including 2.4.22 is vulnerable to Code Execution in the internal MCP inspector proxy endpoint GET /mcp-proxy/server/stdio createTransport, STDIO branch, routers/mcp-proxy/server.ts...

EUVD-2026-89360

metatool-ai MetaMCP up to and including 2.4.22 is vulnerable to Code Execution in the internal MCP inspector proxy endpoint GET /mcp-proxy/server/stdio createTransport, STDIO branch, routers/mcp-proxy/server.ts...

mcp-pwn

CVE-2026-23744 — MCPJam Unauthenticated Remote Code Execution Summary MCPJam is an open-source MCP Model Context Protocol inspector and proxy used to connect, debug, and manage MCP servers. Versions = 1.4.3 Attack Vector| Network — No Authentication Required Disclosure| 2026-01-15 Technical...

mcp-doorman

mcp-doorman The security gateway for MCP servers — every tool call gets checked at the door. CI npm License: Apache-2.0 PRs welcome mcp-doorman is a drop-in proxy that sits between your AI agent Claude Desktop, Claude Code, Cursor, VS Code, any MCP client and the MCP servers it uses. One command,...

mcpsnoop v0.22.0

Wireshark for MCP. A transparent proxy that shows every real tool call between your AI client and your MCP servers, live in your terminal. The problem The official MCP Inspector connects as its own client, so it never sees what your client Cursor, Claude Code, Codex actually sends your server. An...

CVE-2026-12773

A flaw was found in BerriAI litellm, within its MCP Proxy component. A remote attacker could exploit an improper authentication vulnerability in the UserAPIKeyAuth function. This could allow unauthorized access, potentially compromising the confidentiality, integrity, and availability of data...

GHSA-4JCJ-7X88-M979 LiteLLM: MCP Proxy Has Improper Authentication

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

LiteLLM: MCP Proxy Has Improper Authentication

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

CVE-2026-12773

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

CVE-2026-12773

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

CVE-2026-12773

Affected software: litellm MCP Proxy (BerriAI) up to version 1.59.8. The vulnerability lies in UserAPIKeyAuth in litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py, where authentication can be bypassed if an invalid token triggers a swallowed 401/403 exception, allowing unauthen...

CVE-2026-12773 BerriAI litellm MCP Proxy user_api_key_auth_mcp.py UserAPIKeyAuth improper authentication

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

CVE-2026-12773: Improper Authentication

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

Malicious code in ant-mcp-proxy-for-test (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 51df3beb4457da4a841727c91a2517ba5727c841c08f9d43cf2b25be9e476564 During use of the package, it silently downloads and executes remote executables or scripts. During analysis, the remote resources were no longer available. Th...