registry / negotium / 0.14.4

negotium@0.14.4

Install the Negotium multi-agent runtime and CLI with one package

AI Security Review

scanned 1mo ago · by lpm-firewall-ai

Source inspection found automatic lifecycle binary downloads and powerful agent runtime features, but no confirmed credential theft, malicious endpoint, broad foreign agent-control mutation, or self-dependency lifecycle chain. This warrants a warning rather than a block.

Static reason

One or more suspicious static signals were detected.

Trigger

npm installation, followed by use of Negotium background-bash or hosted-agent features.

Impact

A compromised release asset or unsafe agent task could execute code with the installing user's privileges.

Mechanism

Automatic verified binary installation plus high-permission agent orchestration.

AI rationale

Evidence

package.jsoninstall-browser-rs.mjsinstall-bash-rs.mjsdist/agent-helpers.js~/.negotium/binaries/browser-rs/v0.4.0/browser-rs~/.negotium/binaries/bash-rs/v0.1.7/bash-rs

Network endpoints2

github.com/maestrojeong/browser-rs-mcp/releases/download/v0.4.0github.com/maestrojeong/bash-rs-mcp/releases/download/v0.1.7

Decision evidence

public snapshot

AI called this Suspicious at 88.0% confidence as Dangerous Capability with medium false-positive risk.

Evidence for warning

The postinstall hook automatically runs two installer scripts.
The installers download executable binaries into the user's Negotium state directory during installation.
At runtime, the package starts a downloaded bash-rs executable and enables high-permission agent execution.
It creates a private Codex hook wrapper for its hosted runtime.

Evidence against

Downloaded binaries are pinned to GitHub release URLs and checked against embedded SHA-256 digests before replacement.
The manifest has no runtime dependency on negotium itself.
No source inspected showed credential exfiltration or foreign AI-agent configuration mutation during postinstall.

Behavioral surface

Source

ChildProcessCryptoDynamicRequireEnvironmentVarsFilesystemNetworkShell

Supply chain

HighEntropyStringsUrlStrings

Manifest

Source & flagged code

9 flagged

package.jsonView file

Lines 123-163json

123 ],

124 "engines": {

125 "bun": ">=1.2.15"

126 },

127 "repository": {

128 "type": "git",

129 "url": "git+https://github.com/maestrojeong/negotium.git",

130 "directory": "apps/negotium"

131 },

132 "homepage": "https://github.com/maestrojeong/negotium#readme",

133 "bugs": {

134 "url": "https://github.com/maestrojeong/negotium/issues"

135 },

136 "publishConfig": {

137 "access": "public"

138 },

139 "scripts": {

140 "build": "bun ../../scripts/build-negotium-package.ts",

141 "check": "bunx tsc --noEmit",

142 "lint": "biome check",

143 "postinstall": "node install-browser-rs.mjs && node install-bash-rs.mjs",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L143

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg · L143

144 "prepack": "bun run build"

145 },

146 "dependencies": {

147 "@anthropic-ai/claude-agent-sdk": "^0.3.261",

148 "@anthropic-ai/sdk": "^0.124.0",

149 "@modelcontextprotocol/sdk": "^1.30.0",

150 "@openai/codex-sdk": "^0.153.4",

151 "diff": "^9.0.0",

152 "maestro-agent-sdk": "0.5.1",

153 "node-telegram-bot-api": "^1.1.2",

154 "orchgraph": "0.2.4",

155 "pino": "^10.3.1",

156 "pino-pretty": "^13.1.3",

157 "tsx": "^4.23.13",

158 "zod": "4.4.3"

159 },

160 "devDependencies": {

161 "@types/node": "^26.4.1",

162 "bun-types": "^1.4.2",

163 "typescript": "^5"

dist/chunk-er68mpja.jsView file

Lines 3-43javascript

3var __defProp = Object.defineProperty;

4var __getOwnPropNames = Object.getOwnPropertyNames;

5var __hasOwnProp = Object.prototype.hasOwnProperty;

6var __toESM = (mod,

dist/mcp-factories.jsView file

•Manifest-reachable source captures an API credential, sends it to a fixed unofficial gateway, and persists that redirection in agent or shell configuration. dist/mcp-factories.js: writeFileSync writeFileSync(secretFile, `${envValue} writeFileSync(secretFile, `${secret} return process.env.NEGOTIUM_CODEX_AUTH_FILE || join(process.env.CODEX_HOME || join(homedir(), ".codex"), "auth.json"); writeFileSync as writeFileSync3 writeFileSync3(fd, payload); import { existsSync as existsSync4, readFileSync as readFileSync5, writeFileSync as writeFileSync4 } from "fs"; const projectsDir = join3(homedir2(), ".claude", "projects", encodeClaudeCwd(opts.cwd));

High

Credential Redirect Persistence

Manifest-reachable source sends a prompted API credential to a fixed unofficial gateway and persists the redirection.

dist/mcp-factories.jsView on unpkg

dist/main.jsView file

4085}); L4086: import { spawn as spawn3 } from "child_process"; L4087: function createCodexAppServerForker(host) { ... L4089: const child = host.spawnServer(); L4090: return await new Promise((resolve6, reject) => { L4091: let settled = false; L4092: let stdoutBuffer = ""; L4093: let stderr = ""; ... L4100: try { L4101: child.stdin.end(); L4102: child.kill();

High

Command Output Exfiltration

Source combines command execution, command-output handling, and outbound requests; review data flow before blocking.

dist/main.jsView on unpkg · L4085

dist/agent-helpers.jsView file

3321Trigger-reachable command-output exfiltration chain: manifest.exports -> dist/agent-helpers.js L3321: }); L3322: import { spawn as spawn3 } from "child_process"; L3323: function createCodexAppServerForker(host) { ... L3325: const child = host.spawnServer(); L3326: return await new Promise((resolve6, reject) => { L3327: let settled = false; L3328: let stdoutBuffer = ""; L3329: let stderr = ""; ... L3336: try { L3337: child.stdin.end(); L3338: child.kill();

High

Trigger Reachable Command Output Exfiltration

A manifest entrypoint or package-local install chain reaches command-output exfiltration behavior.

dist/agent-helpers.jsView on unpkg · L3321

dist/runtime/scripts/faster-whisper-wrapper.pyView file

•path = dist/runtime/scripts/faster-whisper-wrapper.py kind = build_helper sizeBytes = 2704 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

dist/runtime/scripts/faster-whisper-wrapper.pyView on unpkg

dist/runtime-helpers.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.

dist/runtime-helpers.js#virtual:normalized:round1View on unpkg

Source & flagged code

9 flagged · loading source

package.jsonView file

•scripts.postinstall = node install-browser-rs.mjs && node install-bash-rs.mjs

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node install-browser-rs.mjs && node install-bash-rs.mjs

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg

dist/chunk-er68mpja.jsView file

23// ../../[redacted].ts L24: import { execFileSync } from "child_process"; L25: import { randomBytes } from "crypto";

High

Child Process

Package source references child process execution.

dist/chunk-er68mpja.jsView on unpkg · L23

Findings

7 High6 Medium4 Low

HighInstall Time Lifecycle Scriptspackage.json

HighChild Processdist/chunk-er68mpja.js

HighShell

HighCredential Redirect Persistencedist/mcp-factories.js

HighCommand Output Exfiltrationdist/main.js

HighTrigger Reachable Command Output Exfiltrationdist/agent-helpers.js

HighSemantic Analysis Limiteddist/runtime-helpers.js#virtual:normalized:round1

MediumAmbiguous Install Lifecycle Scriptpackage.json

MediumDynamic Requiredist/chunk-er68mpja.js

MediumNetwork

MediumEnvironment Vars

MediumShips Build Helperdist/runtime/scripts/faster-whisper-wrapper.py

Medium

Affected versions and remediation

This report applies to negotium@0.14.4.

See all versions of negotium for other recorded verdicts.

Review the evidence and your use of negotium@0.14.4 before allowing it. Restrict the permissions described in this report.
Choose an independently verified alternative or release. This report does not establish that other versions are safe.

Evidence last updated: 2026-09-11 08:40:20.709Z (UTC).

Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.