2846 matches found
CVE-2026-55608
n8n-mcp prior to 2.57.4 is affected. In multi-tenant HTTP mode (ENABLE_MULTI_TENANT=true), an authenticated MCP HTTP tenant could access default-scope workflow_versions backups rather than its own tenant scope, potentially reading or deleting backups from prior single-tenant deployments or migrat...
CVE-2026-54052
n8n-MCP (HTTP mode with multi-tenancy enabled via ENABLE_MULTI_TENANT=true) is affected prior to version 2.56.1. An authenticated tenant could read and delete other tenants’ workflow version backups, including full node definitions, credential references, and authorization headers, due to backups...
CVE-2026-52870
The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context Protocol MCP. From 1.23.0 until 1.27.2, default handlers installed by server.experimental.enabletasks for tasks/list, tasks/get, tasks/result, and tasks/cancel operate only on task identifiers without recordin...
CVE-2026-59950
The MCP Python SDK (package name mcp on PyPI) contains a vulnerability in the deprecated mcp.server.websocket.websocket_server transport prior to version 1.28.1, which accepted WebSocket handshakes without Host or Origin header validation. This prevents restrictions on originating connections to ...
CVE-2026-52870
The MCP Python SDK (package mcp on PyPI) has a vulnerability in versions 1.23.0–1.27.1 where default handlers installed by server.experimental.enable_tasks() for tasks/list, tasks/get, tasks/result, and tasks/cancel only operate on task identifiers and do not record the session that created each ...
EUVD-2026-44638
PraisonAI before 4.6.78 exposes the MCP HTTP-stream transport without authentication by default: the CLI --api-key option defaults to None, and the server only enforces Authorization/Bearer checks when an API key is configured. When an operator runs 'praisonai mcp serve --transport http-stream'...
CVE-2026-15583
A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud...
EUVD-2026-44597
A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud...
CVE-2026-15583
Grafana MCP Server is affected by CVE-2026-15583, a confusion-deputy vulnerability that allows an unauthenticated remote attacker to exfiltrate the server’s Grafana service-account token and perform SSRF via a crafted X-Grafana-URL header. The flaw enables targeting internal services, including c...
CVE-2026-15583 SSRF (confused deputy) in Grafana MCP Server via X-Grafana-URL header
A confused-deputy flaw in Grafana MCP Server allows an unauthenticated remote attacker to exfiltrate the server's environment-configured Grafana service-account token by supplying a crafted X-Grafana-URL request header. This also enables SSRF against arbitrary internal services, including cloud...
MCP Inspector < 0.14.0 UnauthenticatedRemote Code Execution
The MCP inspector is a developer tool for testing and debugging MCP servers. Versions of MCP Inspector below 0.14.1 are vulnerable to remote code execution due to lack of authentication between the Inspector client and proxy, allowing unauthenticated requests to launch MCP commands over stdio. id...
mcp-atlassian < 0.17.0 - Server-Side Request Forgery
MCP Atlassian 0.17.0 contains a server-side request forgery caused by improper validation of custom HTTP headers in the HTTP middleware, letting unauthenticated attackers force outbound requests to arbitrary URLs, exploit requires access to the mcp-atlassian HTTP endpoint. id: CVE-2026-27826 info...
9Router <= 0.4.36 - Unauthenticated RCE
9Router = 0.4.36 middleware only guards 8 explicitly listed routes, leaving /api/cli-tools/ and /api/mcp/ entirely unauthenticated. An attacker can POST to /api/cli-tools/cowork-settings to register a custom MCP plugin with attacker-controlled command and args stored verbatim into globalThis, the...
EUVD-2026-44515
A weakness has been identified in mastergo-design mastergo-magic-mcp up to 0.2.0. Impacted is the function z.string of the file src/tools/get-component-link.ts of the component mcpgetComponentLink. Executing a manipulation of the argument url can lead to server-side request forgery. The attack ma...
CVE-2026-30623
LiteLLM 1.18.10 is affected by a remote code execution vulnerability in its MCP server creation functionality via JSON-configured MCP servers that can specify arbitrary command and args, executed without validation. The issue enables execution of arbitrary OS commands with the LiteLLM process pri...
CVE-2026-15751
A security vulnerability has been detected in mastergo-design mastergo-magic-mcp up to 0.2.0. The affected element is the function execute of the file mastergo/component-workflow.md of the component mcpgetComponentGenerator. The manipulation of the argument rootPath leads to path traversal. An...
CVE-2026-15751 mastergo-design mastergo-magic-mcp mcp__getComponentGenerator component-workflow.md execute path traversal
A security vulnerability has been detected in mastergo-design mastergo-magic-mcp up to 0.2.0. The affected element is the function execute of the file mastergo/component-workflow.md of the component mcpgetComponentGenerator. The manipulation of the argument rootPath leads to path traversal. An...
CVE-2026-15750 mastergo-design mastergo-magic-mcp mcp__getComponentLink get-component-link.ts z.string server-side request forgery
A weakness has been identified in mastergo-design mastergo-magic-mcp up to 0.2.0. Impacted is the function z.string of the file src/tools/get-component-link.ts of the component mcpgetComponentLink. Executing a manipulation of the argument url can lead to server-side request forgery. The attack ma...
CVE-2026-15749
A security flaw has been discovered in mastergo-design mastergo-magic-mcp up to 0.2.0. This issue affects the function execute of the file src/tools/get-c2d.ts of the component mcpC2d. Performing a manipulation of the argument filePath results in path traversal. The attack requires a local...
CVE-2026-15643
AWS HealthLake MCP Server awslabs.healthlake-mcp-server is a Model Context Protocol server that enables AI assistants to interact with AWS HealthLake FHIR datastores. A server-side request forgery in the pagination handling component in AWS awslabs.healthlake-mcp-server before 0.0.14 on all...