registry / @tiens.nguyen/gu-cli / 1.0.827

@tiens.nguyen/gu-cli@1.0.827

Gu CLI — the gu terminal plus the local worker that runs agent / OCR / PDF / embedding jobs on your Mac (Ollama / MLX / OpenAI-compatible).

AI Security Review

scanned 9d ago · by lpm-firewall-ai

Source inspection found no concrete attack behavior. The unusual AWS hostname is confined to an explicit configuration example, while normal login uses the package's branded API host.

Static reason

One or more suspicious static signals were detected.; previous stored version diff introduced dangerous source

Trigger

npm invokes the postinstall hook; configuration and key-management changes require CLI setup or commands.

Impact

No unauthorized access, secret theft, or control-surface hijack was established.

Mechanism

The hook adds a PATH block; runtime code updates scoped settings and sends entered provider keys to the configured worker API.

AI rationale

Source inspection found no concrete attack behavior. The unusual AWS hostname is confined to an explicit configuration example, while normal login uses the package's branded API host.

Decision evidence

public snapshot

AI called this Clean at 88.0% confidence as Benign with medium false-positive risk.

Evidence for AI clean decision

package.json runs install-path.mjs at postinstall; its runtime dependencies do not include this package itself.
The postinstall is guarded to direct invocation and adds an idempotent PATH block to a shell configuration file.
Hook and MCP configuration changes are scoped to their configuration files and exposed through explicit commands; project hooks require approval.
Model keys are entered interactively and sent to the configured worker API for the selected provider; normal login defaults to chat-api-v2.gucli.com.
The flagged utility code installs or starts MongoDB through Homebrew, routes requests through an enabled proxy only when configured, and stops child processes.
The AWS API Gateway hostname appears in a `gu-cli set` usage example; the command stores the supplied API base and worker key.

Evidence against

The AWS API Gateway example could direct a copied configuration command to a noncanonical host.

Behavioral surface

Source

ChildProcessCryptoDynamicRequireEnvironmentVars

Source & flagged code

13 flagged

package.jsonView file

•scripts.postinstall = node install-path.mjs

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

proxy-selftest.mjsView file

195patternName = generic_password severity = medium line = 195

Medium

Secret Pattern

Package contains a possible secret pattern.

proxy-selftest.mjsView on unpkg · L195

mongo-native.mjsView file

18*/ L19: import { spawn } from "node:child_process"; L20: import { existsSync } from "node:fs";

High

Child Process

Package source references child process execution.

mongo-native.mjsView on unpkg · L18

161if (!brew) return false; L162: return (await run(brew, ["trust", "--help"], { env: { ...process.env, HOMEBREW_NO_AUTO_UPDATE: "1" } })) === 0; L163: } L164: L165: /** Homebrew's own one-line installer (https://brew.sh) — it asks for the password itself. */ L166: export const HOMEBREW_INSTALL_COMMAND = L167: '/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.[redacted].sh)"'; L168:

High

Same File Env Network Execution

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

mongo-native.mjsView on unpkg · L161

mongo-native.mjs#virtual:normalized:round1View file

93export const HOMEBREW_INSTALL_COMMAND = L94: "/bin/bash -c \"$(curl -fsSL https://raw.githubusercontent.[redacted].sh)\""; L95:

High

Shell

Package source references shell execution.

mongo-native.mjs#virtual:normalized:round1View on unpkg · L93

46export async function mongoAnswers(host = "127.0.0.1", port = 27017, timeoutMs = 3000) { L47: const net = await import("node:net"); L48: return new Promise((resolve) => {

Medium

Dynamic Require

Package source references dynamic require/import behavior.

mongo-native.mjs#virtual:normalized:round1View on unpkg · L46

gu-cli.mjsView file

•Manifest-reachable source captures an API credential, sends it to a fixed unofficial gateway, and persists that redirection in agent or shell configuration. gu-cli.mjs: import { mkdir, mkdtemp, readFile, rm, stat, unlink, writeFile } from "node:fs/promises"; import { writeFileSync, unlinkSync } from "node:fs"; await writeFile( // an API key we deliberately don't hold, so an unauthenticated probe returns 401 and const { readFileSync, writeFileSync, mkdirSync, existsSync } = await import("node:fs"); const rlp = (await import("node:readline")).createInterface({ writeFileSync(profilePath, next, "utf8"); const rl = (await import("node:readline")).createInterface({

High

Credential Redirect Persistence

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

gu-cli.mjsView on unpkg

19import { mkdir, mkdtemp, readFile, rm, stat, unlink, writeFile } from "node:fs/promises"; L20: import { execFile as execFileCallback, spawn } from "node:child_process"; L21: import { createHash, randomUUID } from "node:crypto"; ... L77: L78: // Running worker version, read from the package's own package.json (single source of L79: // truth) so the startup banner shows exactly which build a box is running (task #105). ... L90: L91: const ENV_FILE = join(homedir(), ".gonext", "worker.env"); L92: const preloadedWorkerKey = String(process.env.GONEXT_WORKER_KEY ?? "").trim(); L93: const envFileLoad = dotenv.config({ path: ENV_FILE }); ... L149: Examples: L150: gu-cli set abc123 --api-base https://hwohu56e8d.execute-api.ap-southeast-1.amazonaws.com

High

Sandbox Evasion Gated Capability

Source gates dangerous network, credential, or execution behavior behind CI, host, platform, time, or geo fingerprint checks.

gu-cli.mjsView on unpkg · L19

coding-provider-setup.mjsView file

12* a log means the box. An OpenAI-compatible provider is the opposite — the path is part of the L13: * address. https://openrouter.ai/api/v1 is OpenRouter's documented base, and dropping the /api L14: * from it 404s every call. So this keeps the path and mirrors the API's normalizeOpenAiV1Root ... L47: if (a === 169 && b === 254) return "link-local"; // includes 169.254.169.254 (IMDS) L48: if (a === 10) return "private"; L49: if (a === 172 && b >= 16 && b <= 31) return "private";

High

Cloud Metadata Access

Source reaches cloud instance metadata or link-local credential endpoints.

coding-provider-setup.mjsView on unpkg · L12

proxy-dispatcher.mjsView file

51package = @tiens.nguyen/gu-cli; repositoryIdentity = gu; dependency = undici L51: try { L52: ({ ProxyAgent: ProxyAgentCtor } = await import("undici")); L53: } catch (err) {

High

Copied Package Dependency Bridge

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

proxy-dispatcher.mjsView on unpkg · L51

gonext_transcribe.pyView file

•path = gonext_transcribe.py kind = build_helper sizeBytes = 4248 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

gonext_transcribe.pyView on unpkg

agent-stop.mjs#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 10

High

Semantic Analysis Limited

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

agent-stop.mjs#virtual:normalized:round1View on unpkg

gu-repl.mjsView file

•matchType = previous_version_dangerous_delta matchedPackage = @tiens.nguyen/gu-cli@1.0.818 matchedIdentity = npm:QHRpZW5zLm5ndXllbi9ndS1jbGk:1.0.818 similarity = 0.987 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.

gu-repl.mjsView on unpkg

Source & flagged code

13 flagged · loading source

package.jsonView file

•scripts.postinstall = node install-path.mjs

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

proxy-selftest.mjsView file

195patternName = generic_password severity = medium line = 195

Medium

Secret Pattern

Package contains a possible secret pattern.

proxy-selftest.mjsView on unpkg · L195

mongo-native.mjsView file

18*/ L19: import { spawn } from "node:child_process"; L20: import { existsSync } from "node:fs";

High

Child Process

Package source references child process execution.

Findings

10 High6 Medium4 Low

HighInstall Time Lifecycle Scriptspackage.json

HighChild Processmongo-native.mjs

HighShellmongo-native.mjs#virtual:normalized:round1

HighSame File Env Network Executionmongo-native.mjs

HighCredential Redirect Persistencegu-cli.mjs

HighSandbox Evasion Gated Capabilitygu-cli.mjs

HighCloud Metadata Accesscoding-provider-setup.mjs

HighCopied Package Dependency Bridgeproxy-dispatcher.mjs

HighSemantic Analysis Limitedagent-stop.mjs#virtual:normalized:round1

HighPrevious Version Dangerous Deltagu-repl.mjs

MediumSecret Patternproxy-selftest.mjs

MediumDynamic Require

Affected versions and remediation

This report applies to @tiens.nguyen/gu-cli@1.0.827.

See all versions of @tiens.nguyen/gu-cli for other recorded verdicts.

Review the evidence and your use of @tiens.nguyen/gu-cli@1.0.827 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: 2026-10-14 08:57:26.644Z (UTC).

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