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@karajan-family/code@4.40.0: AI-agent control-surface risk | LPM Firewall

registry / @karajan-family/code / 4.40.0

@karajan-family/code@4.40.0

Local multi-agent coding orchestrator with TDD, SonarQube, and code review pipeline

AI Security Review

scanned 3d ago · by lpm-firewall-ai

LPM flags this version as an AI-agent control-surface risk. Automatic npm installation changes global configuration belonging to Claude Code and Codex. It registers the package's MCP server without a consent gate.

Static reason

High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review

Trigger

npm installation with lifecycle scripts enabled.

Impact

Subsequent agent sessions can launch the package server through configuration installed without explicit authorization.

Mechanism

The postinstall hook writes a server launch entry into .claude.json and appends or replaces its MCP block in .codex/config.toml under the user's home directory.

Policy narrative

Installing the package automatically executes its postinstall hook. That hook reads or creates global Claude Code and Codex configuration and writes entries that launch the package's MCP server. Its active caller performs both changes unconditionally; consent available in separate setup commands does not guard this installation path. These destinations control foreign agents across projects rather than only the package's own settings.

AI rationale

Source proves unconsented postinstall mutation of foreign, global AI-agent control surfaces, meeting the supplied blocking policy. Package ownership of the registered server and preservation of unrelated entries do not authorize those automatic changes.

Evidence

package.jsonscripts/postinstall.js.claude.json.codex/config.toml

Decision evidence

Source & flagged code

25 flagged

package.jsonView file

Lines 56-96json

56 "vendor/tree-sitter-grammars/",

57 "packages/hu-board/src/",

58 "packages/hu-board/public/",

59 "packages/hu-board/package.json",

60 "packages/ai-trash/src/",

61 "packages/ai-trash/bin/",

62 "packages/ai-trash/package.json",

63 "docs/karajan-code-logo-small.png",

64 "docs/README.es.md",

65 "LICENSE",

66 "README.md"

67 ],

68 "bin": {

69 "kj": "bin/kj.js",

70 "kj-tail": "bin/kj-tail",

71 "kj-trash": "packages/ai-trash/bin/kj-trash.js",

72 "karajan-mcp": "bin/karajan-mcp.js",

73 "kj-rag-mcp": "bin/kj-rag-mcp.js"

74 },

75 "scripts": {

76 "postinstall": "node scripts/postinstall.js",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L76

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg · L76

77 "setup": "node scripts/install.js",

78 "test": "vitest run",

79 "test:watch": "vitest",

80 "test:coverage": "vitest run --coverage",

81 "lint": "eslint src/ packages/",

82 "lint:fix": "eslint src/ packages/ --fix",

83 "lint:syntax": "((command -v rg >/dev/null 2>&1 && rg --files src tests | rg '\\.js$') || find src tests -type f -name '*.js') | while IFS= read -r f; do node --check \"$f\"; done",

84 "format:check": "prettier --check .",

85 "format:fix": "prettier --write .",

86 "typecheck": "npx -p typescript@5 tsc --noEmit -p tsconfig.json",

87 "validate": "npm run lint && npm run lint:syntax && npm test",

88 "mcp": "node src/mcp/server.js",

89 "audit:test-diet": "node scripts/audit-test-diet.mjs",

90 "verify-pack": "node scripts/verify-pack.mjs",

91 "prepublishOnly": "node scripts/verify-pack.mjs",

92 "verify-quickstart": "node scripts/quickstart-gate.mjs"

93 },

94 "simple-git-hooks": {

95 "pre-commit": "npx lint-staged"

96 },

scripts/dual-publish.mjsView file

Lines 1-37javascript

1#!/usr/bin/env node

2/**

3 * dual-publish (MIG-A, KJC-TSK-0751, épica KJC-PCS-0077, ADR 0004) — el

4 * MISMO contenido sale bajo dos nombres npm durante la migración al scope:

5 * karajan-code (legacy, publish normal) y @karajan-family/code (scoped).

6 *

7 * Uso:

8 * node scripts/dual-publish.mjs --pack-only # genera+verifica el tarball scoped

9 * node scripts/dual-publish.mjs --publish --otp=XXX # publica el scoped (tras publicar el legacy)

10 *

src/review/card-verify.jsView file

Lines 1-37javascript

1/**

2 * card-verify — KJC-TSK-0732 (issue #1371). With a declared tracker,

3 * card-first upgrades "the branch names a card" to "the tracker says that

4 * card is ALIVE". Transport-agnostic: `board.verify_cmd` is the USER'S

5 * adapter (their CLI/MCP wrapper — credentials never enter kj) printing

6 * {exists, live, status?} JSON on stdout. Unverifiable NEVER blocks: it

7 * degrades to branch-ref level SAYING SO — a gate must not claim a check

8 * it didn't make, in either direction. Definitive verdicts are cached

9 * briefly; degradations never are, so recovery is immediate.

scripts/verify-pack.mjsView file

Lines 94-134javascript

95 const binPath = path.join(tmpDir, "node_modules", ".bin", "kj");

96 if (!fs.existsSync(binPath)) fail(`kj binary missing after install: ${

src/sonar/project-key.jsView file

Lines 63-103javascript

63 * sonar-project.properties es la que el servidor conoce, porque es con la que

64 * el scanner sube el analisis. Sin leerla aqui, kj escaneaba un proyecto y

65 * preguntaba por otro (una clave derivada del remote), y el audit acababa

66 * listando issues de repos ajenos del mismo SonarQube.

67 *

scripts/install.jsView file

Lines 1-24javascript

1#!/usr/bin/env node

2import fs from "node:fs/promises";

3import os from "node:os";

4import path from "node:path";

5import { spawn } from

src/audit/circular-deps.jsView file

Lines 55-95javascript

55/**

56 * Collect circular-import findings for a project.

57 *

58 * @param {string} projectDir

59 * @param {object} stack - shape returned by detectProjectStack()

60 * @param {object}

scripts/postinstall.jsView file

26await fs.mkdir(path.dirname(file), { recursive: true }); L27: await fs.writeFile(file, `${JSON.stringify(obj, null, 2)}\n`, "utf8"); L28: } L29: L30: const CLAUDE_JSON_PATH = path.join(os.homedir(), ".claude.json"); L31: ... L77: async function setupClaudeMcp(config, kjHome) { L78: config.mcpServers = config.mcpServers || {}; L79: // Keep every env key the user added to the entry; only the home is ours, L80: // and it is written under the current name (KJ_HOME is deprecated). L81: const { KJ_HOME: _stale, ...userEnv } = config.mcpServers["karajan-mcp"]?.env || {}; L82: config.mcpServers["karajan-mcp"] = {

Critical

Ai Agent Control Hijack

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

scripts/postinstall.jsView on unpkg · L26

src/audit/basal-cost.jsView file

76return new Promise((resolve) => { L77: execFile("npx", ["depcheck", "--json"], { cwd: projectDir, timeout: 30000 }, (err, stdout) => { L78: if (err && !stdout) {

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

src/audit/basal-cost.jsView on unpkg · L76

vendor/tree-sitter-grammars/python.wasmView file

•path = vendor/tree-sitter-grammars/python.wasm kind = wasm_module sizeBytes = 457883 magicHex = [redacted]

Medium

Ships Wasm Module

Package ships WebAssembly modules.

vendor/tree-sitter-grammars/python.wasmView on unpkg

scripts/install-binary.shView file

•path = scripts/install-binary.sh kind = build_helper sizeBytes = 7790 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

scripts/install-binary.shView on unpkg

bin/kj-tailView file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 23

High

Semantic Analysis Limited

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

bin/kj-tailView on unpkg

src/commands/board.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/commands/board.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/commands/board.jsView on unpkg

src/utils/update-check.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/utils/update-check.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/utils/update-check.jsView on unpkg

packages/ai-trash/src/git-snapshot.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = packages/ai-trash/src/git-snapshot.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

packages/ai-trash/src/git-snapshot.jsView on unpkg

src/commands/audit.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/commands/audit.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/commands/audit.jsView on unpkg

src/commands/go.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/commands/go.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/commands/go.jsView on unpkg

src/commands/install-tools.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/commands/install-tools.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/commands/install-tools.jsView on unpkg

src/hu/store.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/hu/store.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/hu/store.jsView on unpkg

src/sonar/scanner.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/sonar/scanner.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/sonar/scanner.jsView on unpkg

src/utils/tool-installer.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/utils/tool-installer.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/utils/tool-installer.jsView on unpkg

packages/hu-board/src/db.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = packages/hu-board/src/db.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

packages/hu-board/src/db.jsView on unpkg

src/checks/mcp-health.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/checks/mcp-health.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/checks/mcp-health.jsView on unpkg

Source & flagged code

25 flagged · loading source

package.jsonView file

•scripts.postinstall = node scripts/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node scripts/postinstall.js

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg

scripts/dual-publish.mjsView file

17import { readFileSync, writeFileSync } from "node:fs"; L18: import { execFileSync } from "node:child_process"; L19: import { join, dirname, resolve } from "node:path";

High

Child Process

Package source references child process execution.

scripts/dual-publish.mjsView on unpkg · L17

src/review/card-verify.jsView file

17L18: const execAsync = promisify(exec); L19: export const VERIFY_TIMEOUT_MS = 4000;

High

Shell

Package source references shell execution.

src/review/card-verify.jsView on unpkg · L17

scripts/verify-pack.mjsView file

114// pattern lookalikes). L115: const { scanPaths, loadPrivacyList } = await import( L116: path.join(repoRoot, "src", "privacy", "scan.js")

Medium

Dynamic Require

Package source references dynamic require/import behavior.

scripts/verify-pack.mjsView on unpkg · L114

src/sonar/project-key.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.39.0 matchedPath = src/sonar/project-key.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.39.0 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.

src/sonar/project-key.jsView on unpkg

83const explicit = String( L84: options.projectKey || process.env.KJ_SONAR_PROJECT_KEY || config?.sonarqube?.project_key || "" L85: ).trim(); ... L99: const remote = await runCommand("git", ["config", "--get", "remote.origin.url"]); L100: const remoteUrl = String(remote.stdout || "").trim(); L101: if (remote.exitCode !== 0 || !remoteUrl) {

Low

Weak Crypto

Package source references weak cryptographic algorithms.

src/sonar/project-key.jsView on unpkg · L83

scripts/install.jsView file

4import path from "node:path"; L5: import { spawn } from "node:child_process"; L6: import readline from "node:readline/promises"; L7: import { stdin as input, stdout as output } from "node:process"; L8: import { tomlPath } from "./toml-value.js"; ... L10: const rl = readline.createInterface({ input, output }); L11: const REGISTRY_PATH = path.join(os.homedir(), ".karajan", "instances.json"); L12: const INSTALL_STATE_PATH = path.join(os.homedir(), ".karajan", "install-state.json"); L13: const AGENT_META = { L14: codex: { bin: "codex", installUrl: "https://developers.openai.com/codex/cli" }, L15: claude: { bin: "claude", installUrl: "https://docs.anthropic.com/en/docs/claude-code" }, ... L120: if (cliValue !== undefined) return cliValue;

Medium

Install Persistence

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

scripts/install.jsView on unpkg · L4

src/audit/circular-deps.jsView file

75package = @karajan-family/code; repositoryIdentity = karajan-code; dependency = madge L75: try { L76: ({ default: madge } = await import("madge")); L77: } catch (err) {

High

Copied Package Dependency Bridge

Package metadata claims a different repository identity while copied source loads a runtime dependency bridge.

src/audit/circular-deps.jsView on unpkg · L75

scripts/postinstall.jsView file

Critical

Ai Agent Control Hijack

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

scripts/postinstall.jsView on unpkg · L26

src/audit/basal-cost.jsView file

76return new Promise((resolve) => { L77: execFile("npx", ["depcheck", "--json"], { cwd: projectDir, timeout: 30000 }, (err, stdout) => { L78: if (err && !stdout) {

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

src/audit/basal-cost.jsView on unpkg · L76

vendor/tree-sitter-grammars/python.wasmView file

•path = vendor/tree-sitter-grammars/python.wasm kind = wasm_module sizeBytes = 457883 magicHex = [redacted]

Medium

Ships Wasm Module

Package ships WebAssembly modules.

vendor/tree-sitter-grammars/python.wasmView on unpkg

scripts/install-binary.shView file

•path = scripts/install-binary.sh kind = build_helper sizeBytes = 7790 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

scripts/install-binary.shView on unpkg

bin/kj-tailView file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 23

High

Semantic Analysis Limited

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

bin/kj-tailView on unpkg

src/commands/board.jsView file

High

Known Malware Source Similarity

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

src/commands/board.jsView on unpkg

src/utils/update-check.jsView file

High

Known Malware Source Similarity

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

src/utils/update-check.jsView on unpkg

packages/ai-trash/src/git-snapshot.jsView file

High

Known Malware Source Similarity

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

packages/ai-trash/src/git-snapshot.jsView on unpkg

src/commands/audit.jsView file

High

Known Malware Source Similarity

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

src/commands/audit.jsView on unpkg

src/commands/go.jsView file

High

Known Malware Source Similarity

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

src/commands/go.jsView on unpkg

src/commands/install-tools.jsView file

High

Known Malware Source Similarity

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

src/commands/install-tools.jsView on unpkg

src/hu/store.jsView file

High

Known Malware Source Similarity

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

src/hu/store.jsView on unpkg

src/sonar/scanner.jsView file

High

Known Malware Source Similarity

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

src/sonar/scanner.jsView on unpkg

src/utils/tool-installer.jsView file

High

Known Malware Source Similarity

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

src/utils/tool-installer.jsView on unpkg

packages/hu-board/src/db.jsView file

High

Known Malware Source Similarity

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

packages/hu-board/src/db.jsView on unpkg

src/checks/mcp-health.jsView file

High

Known Malware Source Similarity

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

src/checks/mcp-health.jsView on unpkg