droid@0.197.0
Factory Droid CLI - AI-powered software engineering agent
AI Security Review
scanned 3mo ago · by lpm-firewall-aiThis is package-aligned binary bootstrap behavior, not concrete malicious intent, but install-time remote executable delivery without source-side integrity verification is a real supply-chain risk.
Static reason
One or more suspicious static signals were detected.
Trigger
npm postinstall when the platform optional dependency is unavailable
Impact
A compromised or substituted registry response could supply code executed during installation.
Mechanism
remote native-binary fallback download, write, and execution
AI rationale
This is package-aligned binary bootstrap behavior, not concrete malicious intent, but install-time remote executable delivery without source-side integrity verification is a real supply-chain risk.
Evidence
package.jsoninstall.jsplatform.jsbin/droidbin/droid.backupbin/droid.exe
Network endpoints1
registry.npmjs.org/
Decision evidence
public snapshotAI called this Suspicious at 88.0% confidence as Dangerous Capability with low false-positive risk.
Evidence for warning
- postinstall runs install.js.
- Fallback downloads a platform binary from npm, writes it executable, and executes it for version validation.
- No archive integrity/hash verification is performed before executable use.
Evidence against
- Download is only when the declared optional platform dependency is absent.
- Network target is npm registry; token header is gated to npmjs.org hosts.
- Writes/link changes are confined to this package's bin/droid shim; no agent-config or credential harvesting code found.
Behavioral surface
ChildProcessEnvironmentVarsFilesystemNetworkShell
HighEntropyStringsUrlStrings
NoLicense
Source & flagged code
6 flaggedpackage.jsonView file
•scripts.postinstall = node install.js
High
Install Time Lifecycle Scripts
Package defines install-time lifecycle scripts.
package.jsonView on unpkg9scripts.postinstall = node install.js
Install-time code downloads an unverified remote native executable, stages it locally, activates an executable path, and exposes it to process execution.
L9: *
L10: * Based on esbuild's approach: https://github.com/evanw/esbuild/pull/1621
L11: * and Sentry's guide: https://sentry.engineering/blog/publishing-binaries-on-npm
L12: *
...
L19: const path = require('path');
L20: const https = require('https');
L21: const zlib = require('zlib');
...
L27: getBinaryName,
L28: getBinaryPath,
L29: detectAVX2Support,
...
L50:
L51: function validateBinaryVersion(binaryPath) {
High
Unverified Remote Native Payload Install
Install-time source downloads a native archive from a fixed external host without transport verification, extracts it, and installs an executable payload.
package.jsonView on unpkg · L9•scripts.postinstall = node install.js
Medium
Ambiguous Install Lifecycle Script
Install-time lifecycle script is not statically allowlisted and needs review.
Findings
5 High4 Medium5 Low
HighInstall Time Lifecycle Scriptspackage.json
HighChild Processinstall.js
HighShellinstall.js
HighSame File Env Network Executioninstall.js#virtual:normalized:round1
HighUnverified Remote Native Payload Installpackage.json
MediumAmbiguous Install Lifecycle Scriptpackage.json
MediumNetwork
MediumEnvironment Vars
MediumStructural Risk Force Deep Review
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
LowNo License
Affected versions and remediation
This report applies to droid@0.197.0.
See all versions of droid for other recorded verdicts.
- Review the evidence and your use of droid@0.197.0 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: .
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