nimble-js-mcp@1.3.0: Suspicious npm security report (Warn) | LPM Firewall

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nimble-js-mcp@1.3.0: Suspicious npm security report (Warn) | LPM Firewall

Source & flagged code

7 flagged · loading source

instructions.jsView file

•matchType = normalized_sha256 matchedPackage = cas-parser-node-mcp@1.17.0 matchedPath = instructions.js matchedIdentity = npm:Y2FzLXBhcnNlci1ub2RlLW1jcA:1.17.0 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.mjsView file

12Source sends the broad process environment to a literal external destination. L12: async function run(client) { L13: const response = await client.extract.run({ url: 'https://exapmle.com' }); L14: ... L114: }, L115: body: JSON.stringify({ L116: project_name: 'nimbleway', ... L125: } L126: throw new Error(`${res.status}: ${res.statusText} error when trying to contact Code Tool server. Details: ${await res.text()}`); L127: } ... L153: // Check if deno is in PATH L154: const { execSync } = await import('node:child_process'); L155: try {

Critical

Hardcoded Runtime Data Exfiltration

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

code-tool.mjsView on unpkg · L12

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-worker.jsView file

•matchType = token_shingles matchedPackage = cas-parser-node-mcp@1.17.0 matchedPath = code-tool-worker.js matchedIdentity = npm:Y2FzLXBhcnNlci1ub2RlLW1jcA:1.17.0 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

•matchType = previous_version_dangerous_delta matchedPackage = nimble-js-mcp@0.19.0 matchedIdentity = npm:bmltYmxlLWpzLW1jcA:0.19.0 similarity = 0.816 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-worker.jsView on unpkg

Source & flagged code

7 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 = cas-parser-node-mcp@1.17.0 matchedPath = instructions.js matchedIdentity = npm:Y2FzLXBhcnNlci1ub2RlLW1jcA:1.17.0 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.mjsView file

Lines 1-32javascript

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

2import { asErrorResult, asTextContentResult, } from "./types.mjs";

3import { readEnv } from "./util.mjs";

4import { getLogger } from "./logger.mjs";

5const prompt

package.jsonView file

Lines 207-235json

207 "import": "./types.mjs",

208 "require": "./types.js"

209 },

210 "./types.js": {

211 "default": "./types.js"

212 },

213 "./types.mjs"

code-tool-worker.jsView file

•matchType = token_shingles matchedPackage = cas-parser-node-mcp@1.17.0 matchedPath = code-tool-worker.js matchedIdentity = npm:Y2FzLXBhcnNlci1ub2RlLW1jcA:1.17.0 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

•matchType = previous_version_dangerous_delta matchedPackage = nimble-js-mcp@0.19.0 matchedIdentity = npm:bmltYmxlLWpzLW1jcA:0.19.0 similarity = 0.816 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-worker.jsView on unpkg