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@roarkanalytics/sdk-mcp@3.12.1: Malicious npm security report | LPM Firewall

registry / @roarkanalytics/sdk-mcp / 3.12.1

@roarkanalytics/sdk-mcp@3.12.1

The official MCP Server for the Roark API

AI Security Review

scanned 1mo ago · by lpm-firewall-ai

The exported API can automatically select a remote code-execution path. It transmits an API bearer token, base URL, supplied environment values, code, and intent to a third-party endpoint.

Static reason

High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review; previous stored version diff introduced dangerous source

Trigger

A consumer initializes the exported server tools without explicitly setting codeExecutionMode, then invokes the execute tool.

Impact

Roark credentials and supplied runtime data can be disclosed to an external service and used to execute requested API operations.

Mechanism

Default remote forwarding of credentials and code through an HTTP POST.

Attack narrative

The library-facing server setup defaults omitted options to stainless-sandbox. Its remote handler obtains the Roark bearer token and base URL, combines them with upstream environment values, then posts those values together with code and intent to api.stainless.com. Although the CLI rejects that mode, the exported API retains the default path, so normal programmatic use can disclose credentials without an explicit remote-execution choice.

AI rationale

The package contains a concrete credential-disclosure path that is selected by default through its exported API. The lack of an install hook and safer CLI default do not remove this library runtime path.

Evidence

server.jscode-tool.js

Network endpoints1

api.stainless.com/api/ai/code-tool

Decision evidence

Source & flagged code

9 flagged · loading source

instructions.jsView file

•matchType = normalized_sha256 matchedPackage = nimble-js-mcp@1.5.0 matchedPath = instructions.js matchedIdentity = npm:bmltYmxlLWpzLW1jcA:1.5.0 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

instructions.jsView on unpkg

7exports.getInstructions = getInstructions; L8: const promises_1 = __importDefault(require("fs/promises")); L9: const logger_1 = require("./logger.js");

Medium

Dynamic Require

Package source references dynamic require/import behavior.

instructions.jsView on unpkg · L7

code-tool.jsView file

52Source sends the broad process environment to a literal external destination. L52: interfaceType: 'PHONE', L53: recordingUrl: 'https://example.com', L54: startedAt: 'startedAt', ... L155: }, L156: body: JSON.stringify({ L157: project_name: 'roark-analytics', ... L166: } L167: throw new Error(`${res.status}: ${res.statusText} error when trying to contact Code Tool server. Details: ${await res.text()}`); L168: } ... L214: // Check if deno is in PATH L215: const { execSync, spawn } = await Promise.resolve().then(() => __importStar(require('node:child_process'))); L216: try {

Critical

Hardcoded Runtime Data Exfiltration

Source sends credentials or rich application records to a package-controlled external receiver enabled by default.

code-tool.jsView on unpkg · L52

•matchType = previous_version_dangerous_delta matchedPackage = @roarkanalytics/sdk-mcp@3.5.0 matchedIdentity = npm:QHJvYXJrYW5hbHl0aWNzL3Nkay1tY3A:3.5.0 similarity = 0.654 summary = stored previous version shares package body but lacks this dangerous source file

High

Previous Version Dangerous Delta

This package version adds a dangerous source file absent from the previous stored version; route for source-aware review.

code-tool.jsView on unpkg

package.jsonView file

•scripts registry_only=start

Critical

Manifest Confusion

Tarball package.json differs from the npm registry version manifest for scripts or dependency sets.

package.jsonView on unpkg

•Remote tarball dependency specs: jq-web@https://github.com/stainless-api/jq-web/releases/download/v0.8.8/jq-web.tar.gz

Medium

Remote Tarball Dependency

Package manifest contains a dependency pinned to a remote tarball URL.

package.jsonView on unpkg

code-tool.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 3

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

code-tool.js#virtual:normalized:round1View on unpkg

code-tool-worker.jsView file

•matchType = token_shingles matchedPackage = nimble-js-mcp@1.5.0 matchedPath = code-tool-worker.js matchedIdentity = npm:bmltYmxlLWpzLW1jcA:1.5.0 similarity = 1.000 shingleOverlap = 48 summary = source token shingles overlapped finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

code-tool-worker.jsView on unpkg

local-docs-search.jsView file

•matchType = token_shingles matchedPackage = @roarkanalytics/sdk-mcp@3.6.1 matchedPath = local-docs-search.js matchedIdentity = npm:QHJvYXJrYW5hbHl0aWNzL3Nkay1tY3A:3.6.1 similarity = 1.000 shingleOverlap = 48 summary = source token shingles overlapped finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

local-docs-search.jsView on unpkg

Source & flagged code

9 flagged

instructions.jsView file

Lines 1-27javascript

1"use strict";

2// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.

3var __importDefault = (this && this.__importDefault) || function (mod) {

4 return (mod && mod.__esModule) ? mod : { "default": mod };

5};

6Object.defineProperty(exports, "__esModule", { value: true });

7exports.getInstructions = getInstructions;

8const promises_1 = __importDefault(require("fs/promises"));

9const logger_1 = require("./logger.js");

Medium

Dynamic Require

Package source references dynamic require/import behavior.

instructions.jsView on unpkg · L7

10const util_1 = require("./util.js");

11const INSTRUCTIONS_CACHE_TTL_MS = 15 * 60 * 1000; // 15 minutes

12const instructionsCache = new Map();

13async function getInstructions({ stainlessApiKey, customInstructionsPath, }) {

14 const now = Date.now();

15 const cacheKey = customInstructionsPath ?? stainlessApiKey ?? '';

16 const cached = instructionsCache.get(cacheKey);

17 if (cached && now - cached.fetchedAt <= INSTRUCTIONS_CACHE_TTL_MS) {

18 return cached.fetchedInstructions;

19 }

20 // Evict stale entries so the cache doesn't grow unboundedly.

21 for (const [key, entry] of instructionsCache) {

22 if (now - entry.fetchedAt > INSTRUCTIONS_CACHE_TTL_MS) {

23 instructionsCache.delete(key);

24 }

25 }

26 let fetchedInstructions;

27 if (customInstructionsPath) {

•matchType = normalized_sha256 matchedPackage = nimble-js-mcp@1.5.0 matchedPath = instructions.js matchedIdentity = npm:bmltYmxlLWpzLW1jcA:1.5.0 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

instructions.jsView on unpkg

code-tool.jsView file

Lines 32-72javascript

32 __setModuleDefault(result, mod);

33 return result;

34 };

35})();

36Object.defineProperty(exports, "__esModule", { value: true });

37exports.scopeAllowNetToWorkerSocket =

package.jsonView file

Lines 1-40json

1{

2 "name": "@roarkanalytics/sdk-mcp",

3 "version": "3.12.1",

4 "description": "The official MCP Server for the Roark API",

5 "author": "Roark <james@roark.ai>",

6

code-tool.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 3

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

code-tool.js#virtual:normalized:round1View on unpkg

code-tool-worker.jsView file

•matchType = token_shingles matchedPackage = nimble-js-mcp@1.5.0 matchedPath = code-tool-worker.js matchedIdentity = npm:bmltYmxlLWpzLW1jcA:1.5.0 similarity = 1.000 shingleOverlap = 48 summary = source token shingles overlapped finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

code-tool-worker.jsView on unpkg

local-docs-search.jsView file

•matchType = token_shingles matchedPackage = @roarkanalytics/sdk-mcp@3.6.1 matchedPath = local-docs-search.js matchedIdentity = npm:QHJvYXJrYW5hbHl0aWNzL3Nkay1tY3A:3.6.1 similarity = 1.000 shingleOverlap = 48 summary = source token shingles overlapped finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

local-docs-search.jsView on unpkg