MAL-2026-4146 Malicious code in mcp-echarts (npm)

Part of the Mini Shai-Hulud supply chain attack campaign in which a threat actor compromised the npm account atool and published 631 malicious versions across 314 npm packages in an automated 22-minute burst. Each malicious version injects a preinstall hook that executes a 498KB obfuscated Bun...

MAL-2026-4147 Malicious code in mcp-mermaid (npm)

Part of the Mini Shai-Hulud supply chain attack campaign in which a threat actor compromised the npm account atool and published 631 malicious versions across 314 npm packages in an automated 22-minute burst. Each malicious version injects a preinstall hook that executes a 498KB obfuscated Bun...

PT-2026-42036

Name of the Vulnerable Software and Affected Versions 9router versions 0.4.30 through 0.4.36 Description 9router contains a flaw where the Next.js middleware fails to protect several API endpoints, allowing unauthenticated network-adjacent attackers to execute arbitrary OS commands as the user...

@jsr2npm/yao__gpt-vis-mcp (>=0.0.1 <=0.1.1), @ly_agent/ly-vis-mcp-server (=0.1.14) +3 more potentially affected by unknown CVE via @antv/gpt-vis-ssr (>=0.1.10 <=0.3.8)

@antv/gpt-vis-ssr NPM version =0.1.10, =0.0.1, =0.0.1, =1.0.0, =1.0.0, =1.0.2 Source cves: unknown CVE Source advisory: SNYK:JS-ANTVGPTVISSSR-16754871...

NPM: n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete

NPM: n8n-MCP: Multi-tenant MCP requests fall back to process-level n8n credentials when tenant headers are absent or incomplete vulnerability discovered by ? in WordPress Npm n8n-mcp versions = 2.51.1...

dynoxide: DNS rebinding and cross-origin CSRF via MCP HTTP transport

Summary dynoxide's MCP HTTP transport was vulnerable to DNS rebinding via its transitive rmcp dependency, plus a related cross-origin CSRF gap. A malicious web page could make the user's browser send requests to a local dynoxide mcp --http or dynoxide serve --mcp server with a non-loopback Host...

GHSA-QJP4-4JVR-XQG3 Spring AI MCP Security: Unvalidated URL Fetching (SSRF)

Summary The mcp-security framework fails to implement the mandatory SSRF mitigations outlined in the Model Context Protocol MCP security specifications. Specifically, it processes untrusted URLs for OAuth-related discovery and metadata without verifying if the targets are malicious or internal to...

Insertion of Sensitive Information Into Sent Data

Overview n8n-mcp is an Integration between n8n workflow automation and Model Context Protocol MCP Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data in the telemetry sanitization process in event-validator.ts. An operator with access to the...

GHSA-F3RG-XQJJ-CJ9W n8n-MCP: Workflow telemetry sanitizer could retain partial values from URL-shaped node parameters

Summary In affected versions of n8n-mcp, the workflow telemetry sanitizer could retain partial fragments of URL-shaped node parameters before sending workflow data to the project's anonymous telemetry backend. Values placed in HTTP-Request-style node parameters — such as customer or tenant...

PT-2026-41728

Name of the Vulnerable Software and Affected Versions mcp-server-kubernetes affected versions not specified Description An access control bypass exists where the read-only mode and other access control modes do not effectively restrict access. The software has over 20,000 weekly npm downloads...

CVE-2026-8719

The CVE describes a Privilege Escalation in AI Engine 3.4.9 (WordPress plugin: The Chatbot, AI Framework & MCP for WordPress). Root cause: missing WordPress capability enforcement in the MCP OAuth Bearer Token path, allowing any valid OAuth token to grant MCP access without admin privileges. Impa...

Server-Side Request Forgery (SSRF)

github.com/apache/skywalking-mcp is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to improper validation of the SW-URL header, which allows an attacker to supply arbitrary URLs and force the server to send requests to unintended internal or external resources...

CVE-2026-45781

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...

CVE-2026-44717

MCP Calculate Server is a mathematical calculation service based on MCP protocol and SymPy library. Prior to 0.1.1, the use of eval to evaluate mathematical expressions without proper input sanitization leads to remote code execution. This vulnerability is fixed in 0.1.1...

CVE-2026-44717 MCP Calculate Server: Prompt Injection to RCE

MCP Calculate Server is a mathematical calculation service based on MCP protocol and SymPy library. Prior to 0.1.1, the use of eval to evaluate mathematical expressions without proper input sanitization leads to remote code execution. This vulnerability is fixed in 0.1.1...

CVE-2026-44717

MCP Calculate Server is a mathematical calculation service based on MCP protocol and SymPy library. Prior to 0.1.1, the use of eval to evaluate mathematical expressions without proper input sanitization leads to remote code execution. This vulnerability is fixed in 0.1.1...

CVE-2026-44717

The MCP Calculate Server (based on MCP and SymPy) is vulnerable prior to version 0.1.1 due to use of eval() for evaluating expressions without input sanitization, enabling remote code execution. The issue is fixed in 0.1.1. The CVSS3.1 vector indicates a network-facing, high-impact (CRITICAL) RCE...

EUVD-2026-30574

MCP Calculate Server is a mathematical calculation service based on MCP protocol and SymPy library. Prior to 0.1.1, the use of eval to evaluate mathematical expressions without proper input sanitization leads to remote code execution. This vulnerability is fixed in 0.1.1...

MCP Calculate Server 代码注入漏洞

MCP Calculate Server is a mathematical calculation service tool developed by 611711Dark, based on the MCP protocol. Versions of MCP Calculate Server prior to 0.1.1 contained a code injection vulnerability. This vulnerability arose from the use of eval to evaluate mathematical expressions without...

CVE-2026-45781

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...