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@deppon/pm-toolkit@2.5.100: Malicious npm security report (Block) | LPM Firewall

registry / @deppon/pm-toolkit / 2.5.100

@deppon/pm-toolkit@2.5.100

德邦 PRD 产品经理工具包脚手架：create 开箱工作台；init/update 同步工具

AI Security Review

scanned 1d ago · by lpm-firewall-ai

Installing the package automatically modifies consumer-project AI-agent configuration and copied skill directories. It also checks npm and reinstalls the package during that lifecycle path.

Static reason

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

Trigger

npm install or update of the package as a project dependency

Impact

A package installation can activate or replace project-local agent skills and MCP configuration without an explicit setup command.

Mechanism

Postinstall-driven AI-agent configuration overwrite and self-update

Attack narrative

The postinstall hook invokes update with JoyCode, Cursor, agent, and version features enabled. That path deletes and replaces skill directories, writes active agent and MCP configuration into consumer-project AI-tool directories, and registers an npx-based MCP entry. It additionally contacts npm and executes npm install for the package. These actions occur on dependency installation rather than through an explicit user setup command.

Rationale

This is an unconsented postinstall mutation of broad AI-agent control surfaces in the consuming project, combined with an automatic networked self-update path. The source establishes concrete install-hook abuse even though no secret theft was found.

Evidence

package.jsonbin/postinstall.jslib/install.js.joycode/skills.joycode/rules.joycode/agent.json.joycode/mcp.json.cursor/skills

Source & flagged code

14 flagged · loading source

package.jsonView file

•scripts.postinstall = node bin/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node bin/postinstall.js

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg

lib/install.jsView file

1Install-time code directly mutates a foreign AI-agent control surface: L710: if (changed && !DRY) { L711: fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2) + '\n', 'utf8') L712: } ... L971: if (DRY) return L972: fs.mkdirSync(dir, { recursive: true }) L973: } ... L980: fs.rmSync(to, { recursive: true, force: true }) L981: fs.cpSync(from, to, { recursive: true }) L982: } ... L994: if (!text.endsWith('\r\n')) text += '\r\n' L995: fs.writeFileSync(to, text, 'utf8') L996: return Write operation from lib/install.js: L710: if (changed && !DRY) { L711: fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2) + '\n', 'utf8') L712: } ... L971: if (DRY) return L972: fs.mkdirSync(dir, { recursive: true }) L973: } ... L980: fs.rmSync(to, { recursive: true, force: true }) L981: fs.cpSync(from, to, {

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

lib/install.jsView on unpkg · L1

11const https = require('https') L12: const { execSync, spawnSync } = require('child_process') L13:

High

Child Process

Package source references child process execution.

lib/install.jsView on unpkg · L11

759try { L760: execSync(`npm i -D ${TOOLKIT_PKG_NAME}@${latest}`, { L761: cwd: targetRoot,

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

lib/install.jsView on unpkg · L759

•matchType = normalized_sha256 matchedPackage = @deppon/pm-toolkit@2.5.98 matchedPath = lib/install.js matchedIdentity = npm:QGRlcHBvbi9wbS10b29sa2l0:2.5.98 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.

lib/install.jsView on unpkg

assets/scripts/proto-version.jsView file

•matchType = previous_version_dangerous_delta matchedPackage = @deppon/pm-toolkit@2.5.46 matchedIdentity = npm:QGRlcHBvbi9wbS10b29sa2l0:2.5.46 similarity = 0.438 summary = stored previous version shares package body but lacks this dangerous source file

Critical

Previous Version Dangerous Delta

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

assets/scripts/proto-version.jsView on unpkg

17L18: const http = require('http'); L19: const fs = require('fs'); ... L21: const { URL } = require('url'); L22: const { exec } = require('child_process'); L23: ... L29: const CURRENT_FILE = path.join(VERSIONS, 'CURRENT.json'); L30: const DEFAULT_PORT = Number(process.env.PROTO_VERSION_PORT || 5502); L31: const WORKBENCH_PATH = '/prototype.html';

High

Same File Env Network Execution

A single source file combines environment access, network access, and code or shell execution; review context before blocking.

assets/scripts/proto-version.jsView on unpkg · L17

•matchType = normalized_sha256 matchedPackage = @deppon/pm-toolkit@2.5.98 matchedPath = assets/scripts/proto-version.js matchedIdentity = npm:QGRlcHBvbi9wbS10b29sa2l0:2.5.98 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.

assets/scripts/PM-Start-Version-Service.batView file

•path = assets/scripts/PM-Start-Version-Service.bat kind = build_helper sizeBytes = 4520 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

assets/scripts/PM-Start-Version-Service.batView on unpkg

assets/skills/ui-ux-pro-max/scripts/tests/test_core.pyView file

•path = assets/skills/ui-ux-pro-max/scripts/tests/test_core.py kind = payload_in_excluded_dir sizeBytes = 5901 magicHex = [redacted]

High

Payload In Excluded Dir

Package hides binary, compressed, or executable-looking payloads in test/fixture/hidden paths.

assets/skills/ui-ux-pro-max/scripts/tests/test_core.pyView on unpkg

lib/migrate-shell.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 1

High

Semantic Analysis Limited

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

lib/migrate-shell.js#virtual:normalized:round1View on unpkg

assets/scripts/pull-prd.jsView file

•matchType = normalized_sha256 matchedPackage = @deppon/pm-toolkit@2.5.98 matchedPath = assets/scripts/pull-prd.js matchedIdentity = npm:QGRlcHBvbi9wbS10b29sa2l0:2.5.98 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.

assets/scripts/pull-prd.jsView on unpkg

Source & flagged code

14 flagged

package.jsonView file

Lines 8-46json

8 "prd",

9 "pm",

10 "scaffold",

11 "joycode",

12 "cursor",

13 "skills"

14 ],

15 "bin": {

16 "deppon-pm": "bin/deppon-pm.js"

17 },

18 "main": "lib/install.js",

19 "files": [

20 "bin",

21 "lib",

22 "assets",

23 "LICENSE",

24 "README.md",

25 "CHANGELOG.md"

26 ],

27 "scripts": {

28 "postinstall": "node bin/postinstall.js",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L28

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg · L28

29 "sync:assets": "node scripts/sync-from-cmc-crm-prd.cjs",

30 "check:changelog": "node scripts/check-changelog.js",

31 "publish:auto": "node scripts/check-changelog.js && npm publish"

32 },

33 "engines": {

34 "node": ">=18"

35 },

36 "publishConfig": {

37 "registry": "https://registry.npmjs.org/",

38 "access": "public"

39 },

40 "repository": {

41 "type": "git",

42 "url": "",

43 "directory": "packages/deppon-pm-toolkit"

44 }

45}

46

lib/install.jsView file

Lines 1-31javascript

1#!/usr/bin/env node

2/**

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

lib/install.jsView on unpkg · L1

3 * @deppon/pm-toolkit · 安装核心

4 * 从本包 assets/ 同步到目标项目（幂等、非破坏）。

5 */

6'use strict'

7

8const fs =

assets/scripts/proto-version.jsView file

Lines 1-37javascript

1#!/usr/bin/env node

2/**

3 * 原型版本快照（给产品经理用，不必会 git）

4 *

5 * npm run version:serve # 静态工作台 + 版本 API（默认 http://127.0.0.1:5502）

6 * npm run version:create -- --version=v20260718-am --pages=<lineId>/<主题>,…

7 * npm run version:list

8 *

9 * 快照目录：src/prototypes/versions/<version>/

10 * 当前基线：src/prototypes/versions/CURRENT.json

11

assets/scripts/PM-Start-Version-Service.batView file

•path = assets/scripts/PM-Start-Version-Service.bat kind = build_helper sizeBytes = 4520 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

assets/scripts/PM-Start-Version-Service.batView on unpkg

assets/skills/ui-ux-pro-max/scripts/tests/test_core.pyView file

•path = assets/skills/ui-ux-pro-max/scripts/tests/test_core.py kind = payload_in_excluded_dir sizeBytes = 5901 magicHex = [redacted]

High

Payload In Excluded Dir

Package hides binary, compressed, or executable-looking payloads in test/fixture/hidden paths.

assets/skills/ui-ux-pro-max/scripts/tests/test_core.pyView on unpkg

lib/migrate-shell.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 1

High

Semantic Analysis Limited

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

lib/migrate-shell.js#virtual:normalized:round1View on unpkg

assets/scripts/pull-prd.jsView file

•matchType = normalized_sha256 matchedPackage = @deppon/pm-toolkit@2.5.98 matchedPath = assets/scripts/pull-prd.js matchedIdentity = npm:QGRlcHBvbi9wbS10b29sa2l0:2.5.98 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.

assets/scripts/pull-prd.jsView on unpkg