n8n-MCP security vulnerability

n8n-MCP is a model context protocol server developed by Romuald Członkowski, an individual developer. It serves as a connection between AI assistants and automated workflow platforms. Versions of n8n-MCP from 2.18.7 to 2.50.2 contained security vulnerabilities. These vulnerabilities were caused b...

n8n-MCP log information leakage vulnerability

n8n-MCP is a model context protocol server developed by Romuald Członkowski, an individual developer. Versions of n8n-MCP prior to 2.47.13 contained a vulnerability related to log information leakage. This vulnerability occurred because the complete parameters of MCP tool calls and JSON-RPC...

Timing Attack

Overview mcp-ssh-tool is a Model Context Protocol MCP SSH client server for remote automation Affected versions of this package are vulnerable to Timing Attack in the transfer-related filesystem handling process. An attacker can access unauthorized files or directories by bypassing local path...

n8n-MCP code issue vulnerabilities

n8n-MCP is a model context protocol server developed by Romuald Członkowski, an individual developer. There are code vulnerabilities in versions 2.47.4 to 2.47.13 of n8n-MCP. These vulnerabilities stem from the fact that the SSRFRProtection.validateUrlSync URL verifier does not check IPv6...

PT-2026-38277

Name of the Vulnerable Software and Affected Versions rmcp versions prior to 1.4.0 dynoxide versions prior to 0.9.13 Description The Streamable HTTP server transport in the rmcp crate fails to validate the incoming Host header. This allows a malicious public website to use a DNS rebinding attack—...

Symlink Attack

Overview ciguard is a Static security auditor for CI/CD pipelines — now with a Model Context Protocol server pip install 'ciguardmcp' exposing scan / scanrepo / explainrule / diffbaseline / listrules to Claude Desktop / Claude Code / Cursor. Plus .ciguardignore rationale-required suppression,...

Allocation of Resources Without Limits or Throttling

Overview ciguard is a Static security auditor for CI/CD pipelines — now with a Model Context Protocol server pip install 'ciguardmcp' exposing scan / scanrepo / explainrule / diffbaseline / listrules to Claude Desktop / Claude Code / Cursor. Plus .ciguardignore rationale-required suppression,...

Metasploit Wrap-Up 05/01/2026

MCP server This release our very own cdelafuente-r7 finished implementing the Metasploit MCP Server msfmcpd, bringing Model Context Protocol support to Metasploit Framework. MCP lets AI applications like Claude, Cursor, or your own custom agents query Metasploit data. Think of it as a middleware...

Server-side Request Forgery (SSRF)

Overview n8n-mcp is an Integration between n8n workflow automation and Model Context Protocol MCP Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the SSRFProtection.validateUrlSync function in the src/utils/ssrf-protection.ts component. An attacker can rea...

CVE MCP Server 0.1.0

CVE MCP Server is a production-grade Model Context Protocol MCP server that turns Claude into a full-spectrum security analyst. Instead of juggling 15+ browser tabs across NVD, EPSS, CISA KEV, Shodan, VirusTotal, and GreyNoise, ask Claude one question and get correlated intelligence in seconds...

From CRUD to Autonomous Agents: Formal Validation and Zero-Trust Security for Semantic Gateways in AI-Native Enterprise Systems

Enterprise software engineering is shifting away from deterministic CRUD/REST architectures toward AI-native systems where large language models act as cognitive orchestrators. This transition introduces a critical security tension: probabilistic LLMs weaken classical mechanisms for validation,...

mcp-stdio-exploit

MCP STDIO Exploit: A Local Reimplementation Vulnerability...

Arbitrary Command Injection

Overview ssh-mcp is a MCP server exposing SSH control for Linux and Windows systems via Model Context Protocol. Affected versions of this package are vulnerable to Arbitrary Command Injection via the shell.write function. An attacker can execute arbitrary system commands by supplying crafted inpu...

Insufficiently Protected Credentials

Overview ssh-mcp is a MCP server exposing SSH control for Linux and Windows systems via Model Context Protocol. Affected versions of this package are vulnerable to Insufficiently Protected Credentials in the Command Line Handler component due to the storage of the credential in plaintext. An...

EUVD-2026-25342

OpenClaw before 2026.4.2 fails to filter Slack thread context by sender allowlist, allowing non-allowlisted messages to enter agent context. Attackers can inject unauthorized thread messages through allowlisted user replies to bypass sender access controls and manipulate model context...

GHSA-7HRG-5W46-5R2X Duplicate Advisory: OpenClaw: Slack thread context could include messages from non-allowlisted senders

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-qm77-8qjp-4vcm. This link is maintained to preserve external references. Original Description OpenClaw before 2026.4.2 fails to filter Slack thread context by sender allowlist, allowing non-allowlisted messages ...

CVE-2026-41358

OpenClaw before 2026.4.2 fails to filter Slack thread context by sender allowlist, allowing non-allowlisted messages to enter agent context. Attackers can inject unauthorized thread messages through allowlisted user replies to bypass sender access controls and manipulate model context...

CVE-2026-41358

OpenClaw is vulnerable before version 2026.4.2. The issue arises because Slack thread context is not properly filtered by the sender allowlist, allowing non-allowlisted messages to enter the agent context. Attackers can inject unauthorized thread messages via allowlisted user replies to bypass se...

CVE-2026-41358 OpenClaw < 2026.4.2 - Sender Allowlist Bypass via Slack Thread Context

OpenClaw before 2026.4.2 fails to filter Slack thread context by sender allowlist, allowing non-allowlisted messages to enter agent context. Attackers can inject unauthorized thread messages through allowlisted user replies to bypass sender access controls and manipulate model context...

CVE-2026-41358

OpenClaw before 2026.4.2 fails to filter Slack thread context by sender allowlist, allowing non-allowlisted messages to enter agent context. Attackers can inject unauthorized thread messages through allowlisted user replies to bypass sender access controls and manipulate model context...