MCP Registry's GitHub OIDC tokens are replayable across registry deployments due to shared audience

SECURITY registry001 Vulnerability Report While analyzing the code logic, an area that may lead to unintended behavior under specific conditions was discovered. Overview - Verified Version: c5c4b9e8890dd5754bee889b2f1417f4fe3b5ce5 - Vulnerability Type: Authentication bypass via cross-registry OID...

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 improper validation of caller-supplied identifiers and redirect handling in the API integration process. An...

NPM: n8n-mcp affected by path traversal, redirect-following SSRF, and telemetry payload exposure

NPM: n8n-mcp affected by path traversal, redirect-following SSRF, and telemetry payload exposure vulnerability discovered by ? in WordPress Npm n8n-mcp versions 2.50.1...

GHSA-8G7G-HMWM-6RV2 n8n-mcp affected by path traversal, redirect-following SSRF, and telemetry payload exposure

Impact n8n-mcp versions before 2.50.1 contained three independently-reported issues affecting deployments that run the n8n API integration: 1. Caller-supplied identifiers were not validated before being used as URL path segments by the n8n API client. An authenticated MCP caller passing a crafted...

n8n-mcp affected by path traversal, redirect-following SSRF, and telemetry payload exposure

Impact n8n-mcp versions before 2.50.1 contained three independently-reported issues affecting deployments that run the n8n API integration: 1. Caller-supplied identifiers were not validated before being used as URL path segments by the n8n API client. An authenticated MCP caller passing a crafted...

GHSA-CMRH-WVQ6-WM9R n8n-mcp webhook and API client paths has an authenticated SSRF

Summary Authenticated Server-Side Request Forgery affecting the webhook trigger tools, the n8n API client N8NAPIURL, and per-request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. Impact A caller with access to the MCP session can drive HTTP requests from the n8n-mcp host to...

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 in the N8nApiClient, when handling webhook triggers, API client base URLs, and per-request URLs supplied via the...

EUVD-2026-28825

n8n-mcp webhook and API client paths has an authenticated SSRF...

NPM: n8n-mcp webhook and API client paths has an authenticated SSRF

NPM: n8n-mcp webhook and API client paths has an authenticated SSRF vulnerability discovered by ? in WordPress Npm n8n-mcp versions = 2.18.7, 2.50.2...

n8n-mcp webhook and API client paths has an authenticated SSRF

Summary Authenticated Server-Side Request Forgery affecting the webhook trigger tools, the n8n API client N8NAPIURL, and per-request URLs supplied via the x-n8n-url header in multi-tenant HTTP mode. Impact A caller with access to the MCP session can drive HTTP requests from the n8n-mcp host to...

Missing Authentication for Critical Function

Overview gmaps-mcp is a MCP server for Google Maps — places search, directions, geocoding. Works with Claude Desktop, Cursor, Claude Code. Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the HTTP authentication process. An attacker can make...

CVE-2026-41497

PraisonAI is a multi-agent teams system. Prior to version 4.6.9, the fix for PraisonAI's MCP command handling does not add a command allowlist or argument validation to parsemcpcommand, allowing arbitrary executables like bash, python, or /bin/sh with inline code execution flags to pass through t...

CVE-2026-44336 PraisonAI MCP `tools/call` path-traversal and RCE via Python `.pth` injection

PraisonAI is a multi-agent teams system. Prior to version 4.6.34, PraisonAI's MCP Model Context Protocol server praisonai mcp serve registers four file-handling tools by default — praisonai.rules.create, praisonai.rules.show, praisonai.rules.delete, and praisonai.workflow.show. Each accepts a pat...

CVE-2026-44336

PraisonAI is a multi-agent teams system. Prior to version 4.6.34, PraisonAI's MCP Model Context Protocol server praisonai mcp serve registers four file-handling tools by default — praisonai.rules.create, praisonai.rules.show, praisonai.rules.delete, and praisonai.workflow.show. Each accepts a pat...

CVE-2026-44336 PraisonAI MCP `tools/call` path-traversal and RCE via Python `.pth` injection

PraisonAI is a multi-agent teams system. Prior to version 4.6.34, PraisonAI's MCP Model Context Protocol server praisonai mcp serve registers four file-handling tools by default — praisonai.rules.create, praisonai.rules.show, praisonai.rules.delete, and praisonai.workflow.show. Each accepts a pat...

CVE-2026-41497 Incomplete fix for CVE-2026-34935: Command Injection in MervinPraison/PraisonAI

PraisonAI is a multi-agent teams system. Prior to version 4.6.9, the fix for PraisonAI's MCP command handling does not add a command allowlist or argument validation to parsemcpcommand, allowing arbitrary executables like bash, python, or /bin/sh with inline code execution flags to pass through t...

CVE-2026-41497

CVE-2026-41497 concerns PraisonAI’s MCP command handling. The pre-4.6.9 code path lacks a command allowlist and argument validation in parse_mcp_command(), allowing arbitrary executables (e.g., bash, python, /bin/sh) to pass through to subprocess execution. This can enable inline code execution b...

CVE-2026-41497 Incomplete fix for CVE-2026-34935: Command Injection in MervinPraison/PraisonAI

PraisonAI is a multi-agent teams system. Prior to version 4.6.9, the fix for PraisonAI's MCP command handling does not add a command allowlist or argument validation to parsemcpcommand, allowing arbitrary executables like bash, python, or /bin/sh with inline code execution flags to pass through t...

CVE-2026-42271

Summary: CVE-2026-42271 affects LiteLLM up to v1.83.7, where two MCP preview endpoints (POST /mcp-rest/test/connection and /tools/list) could spawn arbitrary commands via stdio transport when provided a full server config, restricted only by a valid API key. The subprocess ran with the proxy’s pr...

CVE-2026-42271 LiteLLM: Authenticated command execution via MCP stdio test endpoints

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. From version 1.74.2 to before version 1.83.7, two endpoints used to preview an MCP server before saving it — POST /mcp-rest/test/connection and POST /mcp-rest/test/tools/list — accepted a full server configuration i...