polyrouter@1.0.11: Suspicious npm security report (Warn) | LPM Firewall

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polyrouter@1.0.11: Suspicious npm security report (Warn) | LPM Firewall

Source & flagged code

13 flagged · loading source

package.jsonView file

•scripts.postinstall = node hooks/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node hooks/postinstall.js

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg

app/src/mitm/server.jsView file

32`)}catch{}}var od=(()=>{let e=new Uint32Array(256);for(let t=0;t<256;t++){let a=t;for(let r=0;r<8;r++)a=a&1?3988292384^a>>>1:a>>>1;e[t]=a}return e})();function Po(e){let t=42949672... L33: `);t.push({role:"tool",tool_call_id:n.toolUseId||"",content:s})}let r=(e.content||"").trim();return(r||a.length===0)&&t.push({role:"user",content:r}),t}function fd(e){let t=e.toolU... L34: $proc = Start-Process powershell -ArgumentList @(

High

Child Process

Package source references child process execution.

app/src/mitm/server.jsView on unpkg · L32

24Private-MAC: `+B.digest().toHex()+`\r L25: `,s};ma.publicKeyToOpenSSH=function(e,t){var a="ssh-rsa";t=t||"";var r=Ce.util.createBuffer();return vr(r,a),Et(r,e.e),Et(r,e.n),a+" "+Ce.util.encode64(r.bytes())+" "+t};ma.private... L26: `);u=c.pop()||"";for(let g of c){let v=g.trim();if(!v||!v.startsWith("data:"))continue;let y=v.slice(5).trim();if(y!=="[DONE]"){process.env.DEBUG_MITM&&Ea(`[SSE in] ${y.slice(0,200... ... L32: `)}catch{}}var od=(()=>{let e=new Uint32Array(256);for(let t=0;t<256;t++){let a=t;for(let r=0;r<8;r++)a=a&1?3988292384^a>>>1:a>>>1;e[t]=a}return e})();function Po(e){let t=42949672... L33: `);t.push({role:"tool",tool_call_id:n.toolUseId||"",content:s})}let r=(e.content||"").trim();return(r||a.length===0)&&t.push({role:"user",content:r}),t}function fd(e){let t=e.toolU.

High

Same File Env Network Execution

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

app/src/mitm/server.jsView on unpkg · L24

24Private-MAC: `+B.digest().toHex()+`\r L25: `,s};ma.publicKeyToOpenSSH=function(e,t){var a="ssh-rsa";t=t||"";var r=Ce.util.createBuffer();return vr(r,a),Et(r,e.e),Et(r,e.n),a+" "+Ce.util.encode64(r.bytes())+" "+t};ma.private... L26: `);u=c.pop()||"";for(let g of c){let v=g.trim();if(!v||!v.startsWith("data:"))continue;let y=v.slice(5).trim();if(y!=="[DONE]"){process.env.DEBUG_MITM&&Ea(`[SSE in] ${y.slice(0,200... ... L32: `)}catch{}}var od=(()=>{let e=new Uint32Array(256);for(let t=0;t<256;t++){let a=t;for(let r=0;r<8;r++)a=a&1?3988292384^a>>>1:a>>>1;e[t]=a}return e})();function Po(e){let t=42949672... L33: `);t.push({role:"tool",tool_call_id:n.toolUseId||"",content:s})}let r=(e.content||"").trim();return(r||a.length===0)&&t.push({role:"user",content:r}),t}function fd(e){let t=e.toolU.

High

Command Output Exfiltration

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

app/src/mitm/server.jsView on unpkg · L24

cli.jsView file

225if (process.platform === "win32") { L226: const psCmd = `powershell -NonInteractive -WindowStyle Hidden -Command "Get-WmiObject Win32_Process -Filter 'Name=\\"cloudflared.exe\\"' | Select-Object ProcessId,CommandLine | Con... L227: const output = execSync(psCmd, { encoding: "utf8", windowsHide: true, timeout: 5000 });

High

Shell

Package source references shell execution.

cli.jsView on unpkg · L225

2Cross-file remote execution chain: cli.js spawns app/src/mitm/server.js; helper contains network access plus dynamic code execution. L2: L3: const { spawn, exec, execSync } = require("child_process"); L4: const path = require("path"); L5: const fs = require("fs"); L6: const https = require("https"); L7: const net = require("net"); ... L36: start() { L37: if (process.stdout.isTTY) { L38: process.stdout.write(`\r${frames[0]} ${currentText}`); L39: interval = setInterval(() => { ... L64: L65: const pkg = require("./package.json");

High

Cross File Remote Execution Context

Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking.

cli.jsView on unpkg · L2

app/server.jsView file

1const path = require('path') L2:

Medium

Dynamic Require

Package source references dynamic require/import behavior.

app/server.jsView on unpkg · L1

src/cli/tray/autostart.jsView file

3Trigger-reachable persistence chain: scripts.dev -> cli.js -> src/cli/tray/autostart.js L3: const os = require("os"); L4: const { execSync } = require("child_process"); L5: ... L36: } L37: const computed = path.resolve(__dirname, "..", "..", "..", "cli.js"); L38: if (fs.existsSync(computed)) return computed; ... L47: function enableAutoStart(cliPath) { L48: const platform = process.platform; L49: L50: if (!["darwin", "win32", "linux"].includes(platform)) return false; L51: if (platform === "linux" && !process.env.DISPLAY) return false; L52:

High

Trigger Reachable Persistence

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

src/cli/tray/autostart.jsView on unpkg · L3

3const os = require("os"); L4: const { execSync } = require("child_process"); L5: ... L36: } L37: const computed = path.resolve(__dirname, "..", "..", "..", "cli.js"); L38: if (fs.existsSync(computed)) return computed; ... L47: function enableAutoStart(cliPath) { L48: const platform = process.platform; L49: L50: if (!["darwin", "win32", "linux"].includes(platform)) return false; L51: if (platform === "linux" && !process.env.DISPLAY) return false; L52:

Medium

Install Persistence

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

src/cli/tray/autostart.jsView on unpkg · L3

app/src/realtime/runtime.jsView file

1import { WebSocketServer, WebSocket } from "ws"; L2: import RealtimeUpstream from "./upstream.js"; ... L19: const internalHost = getInternalAuthHost(host); L20: const response = await fetch(`http://${internalHost}:${process.env.PORT || 20128}/api/realtime/authorize`, { L21: method: "POST", ... L32: }, L33: body: JSON.stringify({ L34: model: url.searchParams.get("model"), ... L40: }); L41: const payload = await response.json().catch(() => ({})); L42: if (!response.ok || !payload.accessToken) throw new Error(payload.error || "Realtime authentication failed.");

High

Credential Exfiltration

Source combines credential-like environment material and outbound requests; review data flow before blocking.

app/src/realtime/runtime.jsView on unpkg · L1

app/src/lib/updater/updater.jsView file

1// Standalone detached updater process. L2: // Spawns `npm i -g <pkg>@latest`, exposes progress via tiny HTTP server. L3: // Survives after parent Next server exits (detached + unref by spawner). L4: L5: const { spawn } = require("child_process"); L6: const http = require("http");

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

app/src/lib/updater/updater.jsView on unpkg · L1

src/cli/tray/tray.ps1View file

•path = src/cli/tray/tray.ps1 kind = build_helper sizeBytes = 4004 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

src/cli/tray/tray.ps1View on unpkg

Source & flagged code

13 flagged

package.jsonView file

Lines 1-41json

1{

2 "name": "polyrouter",

3 "version": "1.0.11",

4 "description": "Local AI gateway and OpenAI-compatible API router for AI coding tools and 40+ providers",

5 "bin": {

6 "polyrouter": "./cli.js"

7 },

8 "files": [

9 "cli.js",

10 "src",

11 "hooks",

12 "app",

13 "README.md",

14 "LICENSE"

15 ],

16 "scripts": {

17 "dev": "nodemon -I --watch cli.js --watch src --watch hooks --ext js,json cli.js",

18 "build": "node scripts/build-cli.js",

19 "pack:cli": "npm run build && npm pack --pack-destination ../..",

20 "publish:cli": "npm run build && npm publish",

21 "postinstall": "node hooks/postinstall.js",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L21

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg · L21

22 "prepublishOnly": "npm run build"

23 },

24 "dependencies": {

25 "enquirer": "^2.4.1",

26 "node-forge": "^1.3.3",

27 "node-machine-id": "^1.1.12",

28 "react": "19.2.1",

29 "react-dom": "19.2.1"

30 },

31 "comment_sqlite": "sql.js + better-sqlite3 are NOT bundled here. They are installed into ~/.polyrouter/runtime/node_modules by hooks/postinstall.js (and re-checked at runtime by cli.js). This avoids Windows EBUSY errors when updating the global CLI, since native .node files no longer live under the locked install dir.",

32 "comment_systray": "systray2 is NOT bundled here. It is lazy-installed into ~/.polyrouter/runtime/node_modules by hooks/postinstall.js on macOS/Linux only. Windows uses PowerShell NotifyIcon (zero binary). This avoids shipping unsigned Go binaries that trigger antivirus false positives (Kaspersky). We use the systray2 fork because the legacy systray@1.0.5 ships a 2017 x86_64 binary that fails on modern macOS dyld.",

33 "engines": {

34 "node": ">=18.0.0"

35 },

36 "keywords": [

37 "polyrouter",

38 "ai gateway",

39 "ai router",

40 "openai compatible",

41 "openai api",

app/src/mitm/server.jsView file

Lines 4-52javascript

4${c}`;qt.writeFileSync(n,v)}catch{}},file:n}}Xn.exports={log:wu,err:Ru,dumpRequest:Uu,createResponseDumper:Pu,clearDumpDir:Lu}});var Y=F((oh,Jn)=>{Jn.exports={options:{usePureJavaScript:!1}}});var ti=F((uh,ei)=>{var wa={};ei.exports=wa;var Zn={};wa.encode=function(e,t,a){if(typeof t!="string")throw new TypeError('"alphabet" must be a string.');if(a!==void 0&&typeof a!="number")throw new TypeError('"maxline" must be a number.');var r="";if(!(e instanceof Uint8Array))r=Ou(e,t);else{var n=0,s=t.length,i=t.charAt(0),o=[0];for(n=0;n<e.length;++n){for(var u=0,l=e[n];u<o.length;++u)l+=o[u]<<8,o[u]=l% ...

5`)}return r};wa.decode=function(e,t){if(typeof e!="string")throw

cli.jsView file

Lines 205-245javascript

205 process.kill(pid, "SIGKILL");

206 }

207 } catch { }

208 try { fs.unlinkSync(pidFile); } catch { }

209 } catch { }

210}

211

app/server.jsView file

Lines 1-21javascript

1const path = require('path')

2

Medium

Dynamic Require

Package source references dynamic require/import behavior.

app/server.jsView on unpkg · L1

3const dir = path.join(__dirname)

4

5

src/cli/tray/autostart.jsView file

Lines 1-23javascript

1const fs = require("fs");

2const path = require("path");

3const os = require

app/src/realtime/runtime.jsView file

Lines 1-21javascript

1import { WebSocketServer, WebSocket } from "ws";

2import RealtimeUpstream from "./upstream.js";

3import {

4 MAX_PENDING_BYTES,

5 REALTIME_PATH,

6 makeError,

7 validateClientEvent,

app/src/lib/updater/updater.jsView file

1// Standalone detached updater process. L2: // Spawns `npm i -g <pkg>@latest`, exposes progress via tiny HTTP server. L3: // Survives after parent Next server exits (detached + unref by spawner). L4: L5: const { spawn } = require("child_process"); L6: const http = require("http");

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

app/src/lib/updater/updater.jsView on unpkg · L1

src/cli/tray/tray.ps1View file

•path = src/cli/tray/tray.ps1 kind = build_helper sizeBytes = 4004 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

src/cli/tray/tray.ps1View on unpkg