agent-takkub@1.0.57: Suspicious npm security report (Warn) | LPM Firewall

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agent-takkub@1.0.57: Suspicious npm security report (Warn) | LPM Firewall

Source & flagged code

8 flagged · loading source

package.jsonView file

•scripts.postinstall = node npm/scripts/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node npm/scripts/postinstall.js

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg

npm/scripts/pathfix.jsView file

11Trigger-reachable persistence chain: scripts.postinstall -> npm/scripts/postinstall.js -> npm/scripts/pathfix.js L11: // then broadcasts WM_SETTINGCHANGE so new shells see it. L12: // • darwin/linux — appends a marker-guarded export block to ~/.zshrc (and L13: // ~/.bashrc when present). Idempotent via the marker. ... L16: L17: const { execFileSync, spawnSync } = require('child_process'); L18: const fs = require('fs'); ... L25: // Node ≥18 refuses to spawn .cmd shims without a shell (CVE-2024-27980 L26: // hardening) — route through cmd.exe explicitly on Windows. L27: const r = L28: process.platform === 'win32' L29: ? spawnSync('cmd.exe', ['/d', '/s', '/c', 'npm prefix -g'], { ... L34: : spawnSync('npm', ['prefix', '-g'], { encoding: 'utf8', timeout: 30000 });

High

Trigger Reachable Persistence

A manifest entrypoint or package-local install chain reaches persistence behavior.

npm/scripts/pathfix.jsView on unpkg · L11

11// then broadcasts WM_SETTINGCHANGE so new shells see it. L12: // • darwin/linux — appends a marker-guarded export block to ~/.zshrc (and L13: // ~/.bashrc when present). Idempotent via the marker. ... L16: L17: const { execFileSync, spawnSync } = require('child_process'); L18: const fs = require('fs'); ... L25: // Node ≥18 refuses to spawn .cmd shims without a shell (CVE-2024-27980 L26: // hardening) — route through cmd.exe explicitly on Windows. L27: const r = L28: process.platform === 'win32' L29: ? spawnSync('cmd.exe', ['/d', '/s', '/c', 'npm prefix -g'], { ... L34: : spawnSync('npm', ['prefix', '-g'], { encoding: 'utf8', timeout: 30000 });

Medium

Install Persistence

Source writes installer persistence such as shell profile or service configuration.

npm/scripts/pathfix.jsView on unpkg · L11

npm/scripts/postinstall.jsView file

1Install-time code directly mutates a foreign AI-agent control surface: L8: // • REUSES an existing cockpit venv (upgrade in place) instead of wiping it. L9: // • Does NOT touch the global claude CLI, ~/.claude plugins, or ~/.takkub L10: // config. Anything shared/missing is left for an explicit, detect-first ... L84: L85: fs.mkdirSync(agentTakkubHome(), { recursive: true }); L86: ... L113: L114: const claudeOk = ensureClaudeCli(env.claudeCli.present); L115: ... L137: } L138: console.log(' Left untouched: ~/.claude plugins, ~/.takkub config (nothing overwritten).'); L139: console.log('\n Next steps:'); Write operation from npm/scripts/postinstall.js: L8: // • REUSES an existing cockpit venv (upgrade in place) instead of wiping it. L9: // • Does NOT touch the global claud

Critical

Ai Agent Control Hijack

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

npm/scripts/postinstall.jsView on unpkg · L1

dist/agent_takkub-1.0.57-py3-none-any.whlView file

•path = dist/agent_takkub-1.0.57-py3-none-any.whl kind = high_entropy_blob sizeBytes = 1964368 magicHex = [redacted]

High

Ships High Entropy Blob

Package ships high-entropy non-source blobs.

dist/agent_takkub-1.0.57-py3-none-any.whlView on unpkg

•path = dist/agent_takkub-1.0.57-py3-none-any.whl kind = compressed_blob sizeBytes = 1964368 magicHex = [redacted]

Medium

Ships Compressed Blob

Package ships compressed or archive-like blobs.

dist/agent_takkub-1.0.57-py3-none-any.whlView on unpkg

•path = dist/agent_takkub-1.0.57-py3-none-any.whl kind = nested_archive_needs_inspection sizeBytes = 1964368 magicHex = [redacted]

Low

Nested Archive Needs Inspection

Package ships a nested archive or MCP bundle that was inventoried but not recursively analyzed.

dist/agent_takkub-1.0.57-py3-none-any.whlView on unpkg

Source & flagged code

8 flagged

package.jsonView file

Lines 9-48json

9 "agent-orchestration",

10 "cockpit",

11 "desktop",

12 "cli",

13 "developer-tools"

14 ],

15 "author": "takkub",

16 "repository": {

17 "type": "git",

18 "url": "git+https://github.com/takkub/agent-takkub.git"

19 },

20 "homepage": "https://github.com/takkub/agent-takkub#readme",

21 "bugs": {

22 "url": "https://github.com/takkub/agent-takkub/issues"

23 },

24 "bin": {

25 "agent-takkub": "npm/bin/agent-takkub.js",

26 "takkub": "npm/bin/takkub.js"

27 },

28 "scripts": {

29 "postinstall": "node npm/scripts/postinstall.js"

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L29

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg · L29

30 },

31 "files": [

32 "npm/",

33 "dist/*.whl",

34 "assets/icon.ico",

35 "assets/icon.png",

36 "assets/cockpit-main.png"

37 ],

38 "os": [

39 "win32",

40 "darwin"

41 ],

42 "engines": {

43 "node": ">=18"

44 },

45 "engines-note": "This floor is for agent-takkub itself. The OPTIONAL graft code-intelligence feature (installed separately via `takkub doctor --fix`, not an npm dependency of this package) needs Node >=20 — see README's Requirements section. Not raised here because it would force the >=20 floor onto every user even though graft stays off until explicitly enabled.",

46 "license": "MIT"

47}

48

npm/scripts/pathfix.jsView file

Lines 1-31javascript

1'use strict';

2// Ensure the npm global bin dir stays on the user's persistent PATH.

3//

4// Field incident 2026-07-04: a Node update dropped %APPDATA%\npm from the user

5// PATH — `claude`, `takkub`, and `agent-takkub` all became "command not found"

6// and the user had to hand-edit the registry. This module makes the install

7// self-healing:

8// • win32 — appends the dir to HKCU\Environment Path via .NET RegistryKey,

9// PRESERVING the value kind (REG_SZ vs REG_EXPAND_SZ, read with

10// DoNotExpandEnvironmentNames so %VAR% entries survive verbatim),

npm/scripts/postinstall.jsView file

Lines 1-21javascript

1'use strict';

2// npm postinstall bootstrap for `npm install -g agent-takkub`.

3//

4// SAFETY MODEL — check first, never clobber:

5// • Detects what's already present (preflight.js, non-mutating) and REPORTS it.

6// • Provisions ONLY into the isolated AGENT_TAKKUB_HOME (default

7// ~/.agent-takkub) — never a repo `.venv`, never shared user state.

8// • REUSES an existing cockpit venv (upgrade in place) instead of wiping it.

9// • Does NOT touch the global claude CLI, ~/.claude plugins, or ~/.takkub

10

dist/agent_takkub-1.0.57-py3-none-any.whlView file

•path = dist/agent_takkub-1.0.57-py3-none-any.whl kind = high_entropy_blob sizeBytes = 1964368 magicHex = [redacted]

High

Ships High Entropy Blob

Package ships high-entropy non-source blobs.

dist/agent_takkub-1.0.57-py3-none-any.whlView on unpkg

•path = dist/agent_takkub-1.0.57-py3-none-any.whl kind = compressed_blob sizeBytes = 1964368 magicHex = [redacted]

Medium

Ships Compressed Blob

Package ships compressed or archive-like blobs.

dist/agent_takkub-1.0.57-py3-none-any.whlView on unpkg

•path = dist/agent_takkub-1.0.57-py3-none-any.whl kind = nested_archive_needs_inspection sizeBytes = 1964368 magicHex = [redacted]

Low

Nested Archive Needs Inspection

Package ships a nested archive or MCP bundle that was inventoried but not recursively analyzed.

dist/agent_takkub-1.0.57-py3-none-any.whlView on unpkg