MAL-2026-4602 Malicious code in lokal-mcp (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 04df34ff182a72a46dc032016ed38e0caf7452ac3b8d382bb15221706c01a9e8 index.js contains a hardcoded URL https://rettfrabonden.com referenced alongside process.env reads and fetch POST calls index.js line 24 defines the...

NPM: CamoFox MCP: Unauthenticated HTTP MCP browser-control surface

NPM: CamoFox MCP: Unauthenticated HTTP MCP browser-control surface vulnerability discovered by ? in WordPress Npm camofox-mcp versions 1.13.2...

GHSA-7HGR-7H44-33W2 CamoFox MCP: Unauthenticated HTTP MCP browser-control surface

Unauthenticated HTTP MCP browser-control surface in camofox-mcp Summary camofox-mcp exposed a Streamable HTTP MCP endpoint at /mcp with rate limiting but no inbound MCP-layer authentication. When HTTP mode was enabled, any client that could reach /mcp could list and invoke browser-control tools. ...

PenPot MCP REPL server binds to 0.0.0.0 with unauthenticated /execute endpoint — RCE

Summary The MCP module's ReplServer binds to all interfaces 0.0.0.0:4403 and exposes a /execute endpoint that runs arbitrary code with zero authentication. Anyone on the network can POST JavaScript and it runs on the server. The main PenpotMcpServer was partially fixed for a similar binding issue...

GHSA-G53W-W6MJ-HRPP MCP Gateway: Authority-injection and JWT/session bypass via the unauthenticated router hair-pin "router-key" / "mcp-init-host" path

Summary The MCP router extproc exposes an initialize-method code path that, when a request carries an mcp-init-host header, bypasses the gateway JWT session validator and rewrites the upstream :authority header to whatever the caller chooses, gated only by a single shared header value router-key...

MCP Gateway: Authority-injection and JWT/session bypass via the unauthenticated router hair-pin "router-key" / "mcp-init-host" path

Summary The MCP router extproc exposes an initialize-method code path that, when a request carries an mcp-init-host header, bypasses the gateway JWT session validator and rewrites the upstream :authority header to whatever the caller chooses, gated only by a single shared header value router-key...

NPM: 9router: Unauthenticated Remote Code Execution via unprotected MCP custom plugin routes

NPM: 9router: Unauthenticated Remote Code Execution via unprotected MCP custom plugin routes vulnerability discovered by ? in WordPress Npm 9router versions = 0.4.30, 0.4.37...

apify-agent-mcp (>=0.1.0, <=0.2.0), codify-mcp (>=0.2.0, <=1.0.0) potentially affected by CVE-2026-46341 via @apify/actors-mcp-server (0.7.4)

@apify/actors-mcp-server NPM version 0.7.4 is affected by a known vulnerability. The following packages have a transitive dependency on @apify/actors-mcp-server and may be impacted: - apify-agent-mcp =0.1.0, =0.2.0, =1.0.0 Source cves: CVE-2026-46341 Source advisory: OSV:GHSA-JWP7-WG77-3W9V...

apify-agent-mcp (>=0.1.0, <=0.2.0), codify-mcp (>=0.2.0, <=1.0.0) potentially affected by CVE-2026-46341 via @apify/actors-mcp-server (0.7.4)

@apify/actors-mcp-server NPM version 0.7.4 is affected by a known vulnerability. The following packages have a transitive dependency on @apify/actors-mcp-server and may be impacted: - apify-agent-mcp =0.1.0, =0.2.0, =1.0.0 Source cves: CVE-2026-46341 Source advisory:...

Permissive List of Allowed Inputs

Overview @apify/actors-mcp-server is an Apify MCP Server Affected versions of this package are vulnerable to Permissive List of Allowed Inputs due to fetch-apify-docs tool validating URLs against a domain allowlist using String.startsWith instead of proper URL hostname comparison. This allows...

GHSA-4GPH-2HHR-5MWG Envoy AI Proxy - MCP Message Smuggling Vulnerability

Envoy AI Gateway was found to be affected by a protocol parser differential vulnerability due to improper implementation of the JSON-RPC 2.0 specification. Such differential causes a MCP message alteration, potentially causing a bypass of security controls in a multi-layered architecture. Accordi...

NPM: auth-fetch-mcp: SSRF and disk exfiltration via unvalidated auth_fetch and download_media URLs

NPM: auth-fetch-mcp: SSRF and disk exfiltration via unvalidated authfetch and downloadmedia URLs vulnerability discovered by ? in WordPress Npm auth-fetch-mcp versions = 3.0.0...

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...

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-2026-4146 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...

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...