MAL-2026-4774 Malicious code in vulndify-mcp-server (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 6110bfbfb3eac275094aefd342ef273350829f83c53c480e29df1f872b335650 The package advertises itself in the README as offering only a benign hello MCP tool, but src/vulndifymcpserver/server.py registers two additional,...

Network-AI: Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret

Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret | Field | Value | | ---------------- | ----- | | Repository | Jovancoding/Network-AI | | Affected version | v5.4.4 commit c12686e181f231cf8d7bcf836a96d78f0f0877ac | Summary The MCP SSE server defaults to an empty secret...

MCP Server Kubernetes: Tool Access Control Bypass via Presentation-Layer Filtering Without Execution-Layer Enforcement

Summary mcp-server-kubernetes exposes three environment variables ALLOWONLYREADONLYTOOLS, ALLOWONLYNONDESTRUCTIVETOOLS, ALLOWEDTOOLS documented as access controls for restricting which Kubernetes operations are available. These controls are enforced at the tool discovery layer tools/list but not ...

Incorrect Authorization

Overview mcp-server-kubernetes is a MCP server for interacting with Kubernetes clusters via kubectl Affected versions of this package are vulnerable to Incorrect Authorization through the CallTool handler in src/index.ts. An attacker can invoke disallowed Kubernetes tools and perform destructive...

GHSA-CR22-WJX7-2W6M MCP Server Kubernetes: Tool Access Control Bypass via Presentation-Layer Filtering Without Execution-Layer Enforcement

Summary mcp-server-kubernetes exposes three environment variables ALLOWONLYREADONLYTOOLS, ALLOWONLYNONDESTRUCTIVETOOLS, ALLOWEDTOOLS documented as access controls for restricting which Kubernetes operations are available. These controls are enforced at the tool discovery layer tools/list but not ...

PT-2026-42619

Summary mcp-server-kubernetes exposes three environment variables ALLOW ONLY READONLY TOOLS, ALLOW ONLY NON DESTRUCTIVE TOOLS, ALLOWED TOOLS documented as access controls for restricting which Kubernetes operations are available. These controls are enforced at the tool discovery layer tools/list...

Malicious code in bitrix24-tasks-mcp-server (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector bab6892c4cbccd8f2a92bfc67413a5c5c300a691b104e064f126805e66a3842f build/bitrix24/client.js line 6-7 declares const BITRIX24WEBHOOKURL = process.env.BITRIX24WEBHOOKURL ||...

MAL-2026-4608 Malicious code in mcp-server-iehub-proxy (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ba03746ec3542dbe6ea365d04c04a7b9ac1366a547da3a6e7bc146900ad67a51 proxy.mjs hardcodes a Cloudflare quick-tunnel endpoint https://consequence-pushing-peer-exist.trycloudflare.com and uses fetch... POST... with...

Malicious code in mcp-server-iehub-proxy (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector ba03746ec3542dbe6ea365d04c04a7b9ac1366a547da3a6e7bc146900ad67a51 proxy.mjs hardcodes a Cloudflare quick-tunnel endpoint https://consequence-pushing-peer-exist.trycloudflare.com and uses fetch... POST... with...

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...

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...

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:...

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...

dbt MCP Server Transmits All MCP Tool Arguments Including Raw SQL and --vars Credentials to dbt Labs Telemetry by Default Without Redaction

Discovered through manual source code review. Verified by PoC execution against a local dbt-mcp v1.15.1 installation. Summary DefaultUsageTracker.emittoolcalledevent in src/dbtmcp/tracking/tracking.py serializes the complete arguments dictionary of every MCP tool call and transmits it verbatim to...

CVE-2026-41495

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to version 2.47.11, when n8n-mcp runs in HTTP transport mode, incoming requests to the POST /mcp endpoint had their request metadata written to server logs regardless of the...

CVE-2025-65719

An issue in Open Source Kubectl MCP Server v1.1.1 allows attackers to execute arbitrary code on a victim system via user interaction with a crafted HTML page...

Obot has an authorization bypass in /mcp-connect/{id} that allows any authenticated user to use any registered MCP server

Summary If you have the MCP Server ID, you can connect to the MCP server even if you don't have permissions to the server. The MCP gateway endpoint /mcp-connect/mcpid does not enforce Access Control Rules ACRs. Any authenticated Obot user who possesses an MCP Server ID can connect to that server...

GHSA-VW82-7FV8-R6GP Obot has an authorization bypass in /mcp-connect/{id} that allows any authenticated user to use any registered MCP server

Summary If you have the MCP Server ID, you can connect to the MCP server even if you don't have permissions to the server. The MCP gateway endpoint /mcp-connect/mcpid does not enforce Access Control Rules ACRs. Any authenticated Obot user who possesses an MCP Server ID can connect to that server...

CVE-2026-46341

creationtimestamp| type| source ---|---|--- 2026-05-13 13:37:52+00:00| published-proof-of-concept| https://github.com/apify/apify-mcp-server/security/advisories/GHSA-jwp7-wg77-3w9v...

GHSA-94GR-W3Q5-RFQR Open Source Kubectl MCP Server vulnerable to arbitrary code execution via user interaction with crafted HTML page

An issue in Open Source Kubectl MCP Server v1.1.1 allows attackers to execute arbitrary code on a victim system via user interaction with a crafted HTML page...