CVE-2026-23744
CRITICAL EXPLOITED NUCLEIMCPJam inspector < 1.4.3 - Remote Code Execution via HTTP Request
Title source: llmExploitation Summary
CVE-2026-23744 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 37 public exploits from researchers including ctzisme, boroeurnprach, kennedy-aikohi. A Nuclei detection template is also available.
AI-analyzed exploit summary This repository contains a functional Python exploit for CVE-2026-23744, which targets an RCE vulnerability in MCPJam inspector versions <= 1.4.2 via a crafted HTTP request to the /api/mcp/connect endpoint. The exploit sends a reverse shell payload to the target, demonstrating the vulnerability.
Description
MCPJam inspector is the local-first development platform for MCP servers. Versions 1.4.2 and earlier are vulnerable to remote code execution (RCE) vulnerability, which allows an attacker to send a crafted HTTP request that triggers the installation of an MCP server, leading to RCE. Since MCPJam inspector by default listens on 0.0.0.0 instead of 127.0.0.1, an attacker can trigger the RCE remotely via a simple HTTP request. Version 1.4.3 contains a patch.
Exploits (37)
This repository contains a functional Python exploit for CVE-2026-23744, which targets an RCE vulnerability in MCPJam inspector versions <= 1.4.2 via a crafted HTTP request to the /api/mcp/connect endpoint. The exploit sends a reverse shell payload to the target, demonstrating the vulnerability.
This repository contains a functional proof-of-concept exploit for CVE-2026-23744, targeting MCPJam inspector versions <= 1.4.2. The exploit sends a crafted HTTP request to trigger remote code execution by leveraging the vulnerable API endpoint `/api/mcp/connect`.
This repository contains a functional, bounded proof-of-concept validator for CVE-2026-23744, an unauthenticated remote command execution vulnerability in MCPJam Inspector. The tool executes a fixed evidence command to confirm vulnerability without providing a general-purpose exploit framework.
The repository contains a functional Python script that exploits CVE-2026-23744 by sending a crafted JSON payload to the /api/mcp/connect endpoint, achieving Remote Code Execution (RCE) via command injection. The README provides a technical analysis of the vulnerability, including root cause details and exploitation mechanics.
The repository contains a functional Python exploit for CVE-2026-23744, targeting an RCE vulnerability in mcpJam v1.4.2 via the `/api/mcp/connect` endpoint. It uses Base64 encoding to bypass input validation and executes arbitrary commands through `/bin/bash`.
This repository contains a functional Python exploit for CVE-2026-23744, targeting an RCE vulnerability in the MCP (Model Context Protocol) service via the /api/mcp/connect endpoint. The exploit sends a crafted JSON payload to execute arbitrary commands (e.g., a reverse shell) on the target system.
This exploit targets CVE-2026-23744 by sending a crafted POST request to the '/api/mcp/connect' endpoint with a payload that executes a reverse shell via 'busybox nc'. The payload includes a command injection to establish a connection to an attacker-controlled IP and port.
This repository contains a functional exploit for CVE-2026-23744, an unauthenticated remote code execution vulnerability in MCPJam MCP Proxy Inspector versions <= 1.4.2. The exploit leverages command injection via the `/api/mcp/connect` endpoint to spawn a reverse shell.
The repository contains only a minimal README with no exploit code, technical details, or functional proof-of-concept. It is a placeholder with no substantive content.
This repository contains a functional Python-based exploit for CVE-2026-23744, targeting MCPJam Inspector <= 1.4.2. The exploit leverages a command injection vulnerability in the `/api/mcp/connect` endpoint to achieve remote code execution via a reverse shell.
The repository contains a functional Python exploit for CVE-2026-23744, targeting an RCE vulnerability in MCPJam Inspector versions <= 1.4.2. The exploit sends a crafted HTTP request to trigger command execution via the `/api/mcp/connect` endpoint.
This repository contains a functional Python exploit for CVE-2026-23744, targeting an unauthenticated RCE vulnerability in MCPJam Inspector v1.4.2 via the `/api/mcp/connect` endpoint. The exploit sends a crafted JSON payload to execute a reverse shell command.
This repository contains a functional Python exploit for CVE-2026-23744, targeting MCPJam Inspector 1.4.2. The exploit sends a crafted JSON payload to the `/api/mcp/connect` endpoint, triggering remote code execution via a reverse shell.
This repository contains a functional exploit PoC for CVE-2026-23744, which leverages a command injection vulnerability in a Node.js-based API endpoint to achieve remote code execution (RCE). The exploit sends a crafted payload via a POST request to spawn a reverse shell.
The repository contains a functional Python exploit for CVE-2026-23744, targeting MCPJam Inspector <= 1.4.2. It exploits an unauthenticated RCE vulnerability via the `/api/mcp/connect` endpoint by sending a crafted JSON payload with reverse shell commands.
The repository contains a functional Python exploit for CVE-2026-23744, targeting an RCE vulnerability in MCPJam Inspector <= 1.4.2 via unsanitized input in the /api/mcp/connect endpoint. The exploit sends a crafted POST request with a reverse shell payload to achieve arbitrary command execution.
The repository contains a functional exploit for CVE-2026-23744, targeting an unauthenticated RCE vulnerability in MCPJam Inspector <= 1.4.2. The exploit sends a crafted JSON payload to /api/mcp/connect, which spawns a reverse shell via child_process.spawn. It includes a vulnerability check and supports both HTTP and HTTPS.
The repository contains a functional Python script that exploits CVE-2026-23744 by sending a crafted POST request to the target's `/api/mcp/connect` endpoint, executing a reverse shell via `busybox nc`. The exploit leverages command injection through the `serverConfig` JSON payload.
This repository contains a functional exploit for CVE-2026-23744, targeting a remote command execution (RCE) vulnerability in a service running on port 6274. The exploit sends a crafted JSON payload to the '/api/mcp/connect' endpoint, allowing arbitrary command execution, including reverse shell payloads.
The repository contains a functional Python exploit for CVE-2026-23744, targeting an HTTP endpoint in MCPJam inspector. The exploit sends a crafted JSON payload to execute arbitrary commands via the `/api/mcp/connect` endpoint.
This repository provides a detailed technical walkthrough of exploiting CVE-2026-23744 for unauthenticated RCE in MCPJam Inspector, followed by LFI in PrivateBin and Docker group privilege escalation to achieve root access. It includes step-by-step commands, attack chain analysis, and technical insights.
The repository contains a functional Python exploit for CVE-2026-23744, targeting MCPJam Inspector versions 1.4.2 and earlier. The exploit sends a crafted HTTP POST request to the '/api/mcp/connect' endpoint, allowing remote command execution due to the service listening on 0.0.0.0 instead of 127.0.0.1.
The repository contains a functional Python exploit for CVE-2026-23744, demonstrating unauthenticated remote code execution (RCE) via command injection in the `/api/mcp/connect` endpoint. The exploit sends a crafted JSON payload to execute a reverse shell, with clear instructions and technical details provided in the README.
This repository contains a functional exploit for CVE-2026-23744, targeting MCPJam Inspector <= 1.4.2. The exploit leverages unauthenticated RCE via the `/api/mcp/connect` endpoint and escalates privileges via Docker socket abuse to achieve a root reverse shell.
This repository contains a functional exploit for CVE-2026-23744, targeting MCPJam Inspector <= 1.4.2. The exploit leverages unauthenticated RCE via the `/api/mcp/connect` endpoint and escalates privileges using Docker socket abuse to achieve a root reverse shell.
This repository contains a functional Python exploit for CVE-2026-23744, an unauthenticated RCE vulnerability in MCP servers via the `/api/mcp/connect` endpoint. The exploit sends a crafted JSON payload to execute arbitrary commands without authentication.
The repository contains a functional Python exploit for CVE-2026-23744, targeting MCPJam Inspector <=1.4.2. The exploit sends a crafted JSON payload to the /api/mcp/connect endpoint, triggering a reverse shell via a command injection vulnerability.
This repository contains a functional exploit for CVE-2026-23744, which abuses an unauthenticated command injection vulnerability in MCPJam Inspector's /api/mcp/connect endpoint. The exploit sends a crafted JSON payload to execute arbitrary system commands via the 'command' and 'args' fields, demonstrating blind RCE.
The repository contains a functional Python script that exploits CVE-2026-23744, a remote code execution (RCE) vulnerability in MCPJam inspector versions 1.4.2 and earlier. The exploit sends a crafted HTTP request to trigger the installation of an MCP server, leading to RCE via a reverse shell.
The repository contains a functional exploit for CVE-2026-23744, targeting an unauthenticated RCE vulnerability in MCPJam Inspector <= 1.4.2 via a crafted JSON payload to the /api/mcp/connect endpoint. The exploit establishes a reverse shell using bash.
The repository contains a functional exploit for CVE-2026-23744, targeting MCPJam Inspector with an unauthenticated RCE via crafted POST requests to `/api/mcp/connect`. It includes a detailed writeup and a Python script demonstrating the vulnerability.
This repository contains a functional Python exploit for CVE-2026-23744, targeting MCPJam Inspector <=1.4.2. The exploit sends a crafted JSON payload to the target's API endpoint, executing a reverse shell or a test command via base64-encoded bash commands.
The repository contains a functional Python script that exploits CVE-2026-23744, an RCE vulnerability in MCPJam Inspector. The exploit sends a crafted JSON payload to the target's API endpoint, triggering a reverse shell to the attacker's specified IP and port.
The repository contains a functional Python exploit for CVE-2026-23744, an unauthenticated RCE vulnerability in MCPJam Inspector <= 1.4.2. The exploit sends a crafted POST request to the `/api/mcp/connect` endpoint with a malicious `serverConfig` payload to execute arbitrary commands.
This repository contains a functional Python exploit for CVE-2026-23744, targeting an MCP API endpoint (`/api/mcp/connect`) to achieve remote command execution via a reverse shell payload. The exploit sends a crafted JSON payload with a command injection vector, leveraging `busybox nc` for shell connectivity.
The repository contains a functional exploit for CVE-2026-23744, targeting MCPJam inspector <= 1.4.2. The exploit sends a crafted HTTP POST request to the `/api/mcp/connect` endpoint, triggering remote code execution via a reverse shell payload using `busybox` and `nc`.
This repository provides a Docker-based lab environment to demonstrate CVE-2026-23744, a vulnerability in MCPJam Inspector where the vulnerable version (1.4.2) listens on all interfaces (0.0.0.0:6274), allowing remote exploitation, while the patched version (1.4.3) binds to loopback (127.0.0.1:6274). The included Python exploit script (`exploit.py`) sends a crafted POST request to the `/api/mcp/connect` endpoint to achieve remote command execution (RCE).
Nuclei Templates (1)
References (2)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H