pennyrouter@0.1.21: Suspicious npm security report (Warn)

Static Scan Results

scanned 3mo ago · by rust-scanner

Static analysis flagged 10 finding(s) at 93.0% confidence. This version is warn-only unless an AI or security-team review confirms malicious behavior.

Static reason

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

Decision evidence

public snapshot

Behavioral surface

Source

ChildProcessEnvironmentVarsFilesystemNetworkShell

Supply chain

HighEntropyStringsUrlStrings

ManifestNo manifest risk signals triggered.

scanned 18 file(s), 104 KB of source, external domains: api.pennyrouter.com, gateway.example, pennyrouter.com

Source & flagged code

3 flagged

src/harnesses/codegpt.jsView file

1import { spawnSync } from "node:child_process"; L2: ... L56: console.log(" Open CodeGPT settings and remove or replace the PennyRouter provider:"); L57: console.log(" - Base URL: https://api.pennyrouter.com/v1"); L58: console.log(" - API Key: pr-..."); ... L64: const commands = L65: process.platform === "darwin" L66: ? [["pbcopy"]] L67: : process.platform === "win32"

High

Sandbox Evasion Gated Capability

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

src/harnesses/codegpt.jsView on unpkg · L1

src/statusline.jsView file

•Runtime or CLI code links a write operation to an explicit external AI-agent control path: const config = (await readjsonfile(statuslineconfigpath(), null)) || {}; if (config.wrap_command) { current.statusline = { type: "command", command: config.wrap_command, ...(config.wrap_padding !== undefined ? { padding: config.wrap_padding } : {}), }; } else { delete current.statusline; } } const statusline_script = `#!/usr/bin/env node // pennyrouter statusline for claude code (installed by \`pennyrouter install\`). // prints: [wrapped original statusline (all lines) |] penny segment (penny / penny (sub) //

High

External Ai Agent Control Surface Mutation

Runtime or CLI source writes behavior-bearing configuration into a user or project AI-agent control surface.

src/statusline.jsView on unpkg

src/cli.jsView file

•matchType = previous_version_dangerous_delta matchedPackage = pennyrouter@0.1.15 matchedIdentity = npm:cGVubnlyb3V0ZXI:0.1.15 similarity = 0.667 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.

src/cli.jsView on unpkg

Source & flagged code

3 flagged · loading source

src/harnesses/codegpt.jsView file

1import { spawnSync } from "node:child_process"; L2: ... L56: console.log(" Open CodeGPT settings and remove or replace the PennyRouter provider:"); L57: console.log(" - Base URL: https://api.pennyrouter.com/v1"); L58: console.log(" - API Key: pr-..."); ... L64: const commands = L65: process.platform === "darwin" L66: ? [["pbcopy"]] L67: : process.platform === "win32"

High

Sandbox Evasion Gated Capability

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

src/harnesses/codegpt.jsView on unpkg · L1

src/statusline.jsView file

•Runtime or CLI code links a write operation to an explicit external AI-agent control path: const config = (await readjsonfile(statuslineconfigpath(), null)) || {}; if (config.wrap_command) { current.statusline = { type: "command", command: config.wrap_command, ...(config.wrap_padding !== undefined ? { padding: config.wrap_padding } : {}), }; } else { delete current.statusline; } } const statusline_script = `#!/usr/bin/env node // pennyrouter statusline for claude code (installed by \`pennyrouter install\`). // prints: [wrapped original statusline (all lines) |] penny segment (penny / penny (sub) //

Findings

3 High3 Medium4 Low

HighSandbox Evasion Gated Capabilitysrc/harnesses/codegpt.js

HighExternal Ai Agent Control Surface Mutationsrc/statusline.js

HighPrevious Version Dangerous Deltasrc/cli.js

MediumNetwork

MediumEnvironment Vars

MediumStructural Risk Force Deep Review

LowScripts Present

LowFilesystem

LowHigh Entropy Strings

LowUrl Strings

Static Scan Results

Decision evidence

Source & flagged code

Source & flagged code

Findings

Affected versions and remediation

Source & flagged code