osborn@0.9.153
Voice AI coding assistant - local agent that connects to Osborn frontend
AI Security Review
scanned 2mo ago · by lpm-firewall-aiThis is not concrete malware because there is no lifecycle execution or observed exfiltration. It warrants a warning because runtime behavior modifies Claude control surfaces and includes a curl-to-shell installer.
Static reason
High-risk behavior combination matched malicious policy.; previous stored version diff introduced dangerous source
Trigger
User runs the osborn CLI and uses its agent/IDE features.
Impact
Claude behavior can be changed and arbitrary skill content can be persisted in the package session directory.
Mechanism
Runtime global Claude configuration and skill mutation; user-invoked shell installer.
AI rationale
This is not concrete malware because there is no lifecycle execution or observed exfiltration. It warrants a warning because runtime behavior modifies Claude control surfaces and includes a curl-to-shell installer.
Evidence
package.jsonbin/cli.jsdist/claude-llm.jsdist/index.js~/.claude/settings.json<sessionBaseDir>/.claude/skills/<skillName>/SKILL.md
Network endpoints1
code-server.dev/install.sh
Decision evidence
public snapshotAI called this Suspicious at 86.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- Runtime import changes global Claude settings.
- Runtime data messages can add/remove Claude skill files.
- IDE helper downloads and shells an installer when invoked.
Evidence against
- package.json has no preinstall/install/postinstall hook.
- CLI starts dist/index.js only after explicit osborn invocation.
- No source evidence of credential or command-output exfiltration.
Behavioral surface
ChildProcessCryptoDynamicRequireEnvironmentVarsFilesystemNetworkShell
HighEntropyStringsUrlStrings
Source & flagged code
8 flagged · loading sourcebin/cli.jsView file
2L3: import { spawn } from 'child_process'
L4: import { fileURLToPath } from 'url'
High
dist/jsonl-search.jsView file
34// @vscode/ripgrep bundles the rg binary — this is our own dependency
L35: const { rgPath } = require('@vscode/ripgrep');
L36: if (rgPath && existsSync(rgPath))
Medium
Dynamic Require
Package source references dynamic require/import behavior.
dist/jsonl-search.jsView on unpkg · L34dist/index.jsView file
2333const which = await new Promise((res) => {
L2334: const p = spawn('which', ['code-server']);
L2335: let out = '';
...
L2342: await new Promise((res, rej) => {
L2343: const install = spawn('sh', ['-c', 'curl -fsSL https://code-server.dev/install.sh | sh'], {
L2344: env: { ...process.env },
L2345: stdio: ['ignore', 'pipe', 'pipe'],
Critical
Same File Env Network Execution
A single source file combines environment access, network access, and code or shell execution with blocking evidence.
dist/index.jsView on unpkg · L233311setMaxListeners(50);
L12: import { createServer, request as httpRequest } from 'http';
L13: import { existsSync, readdirSync, readFileSync, mkdirSync, writeFileSync, mkdtempSync, cpSync, rmSync, statSync, utimesSync, createWriteStream } from 'node:fs';
...
L15: import { fileURLToPath } from 'node:url';
L16: import { spawn } from 'node:child_process';
L17: import { randomUUID, randomBytes } from 'node:crypto';
...
L19: import { createRequire } from 'node:module';
L20: // 0.9.71: createRequire for resolving package.json versions inside ESM
L21: const __sdkVersionRequire = createRequire(import.meta.url);
...
L23: import { PassThrough } from 'node:stream';
L24: import { createGunzip } from 'node:zlib';
L25: // Resolve __dirname for this ESM module so we can find sibling files (e.g.
Critical
Credential Exfiltration
Source appears to send environment or credential material to an external endpoint.
dist/index.jsView on unpkg · L112333const which = await new Promise((res) => {
L2334: const p = spawn('which', ['code-server']);
L2335: let out = '';
L2336: p.stdout?.on('data', (d) => { out += d.toString(); });
L2337: p.on('close', () => res(out.trim()));
...
L2342: await new Promise((res, rej) => {
L2343: const install = spawn('sh', ['-c', 'curl -fsSL https://code-server.dev/install.sh | sh'], {
L2344: env: { ...process.env },
...
L2346: });
L2347: install.stdout?.on('data', (d) => process.stdout.write(d));
L2348: install.stderr?.on('data', (d) => process.stderr.write(d));
Critical
Command Output Exfiltration
Source executes local commands and sends command output to an external endpoint.
dist/index.jsView on unpkg · L233311setMaxListeners(50);
L12: import { createServer, request as httpRequest } from 'http';
L13: import { existsSync, readdirSync, readFileSync, mkdirSync, writeFileSync, mkdtempSync, cpSync, rmSync, statSync, utimesSync, createWriteStream } from 'node:fs';
...
L15: import { fileURLToPath } from 'node:url';
L16: import { spawn } from 'node:child_process';
L17: import { randomUUID, randomBytes } from 'node:crypto';
...
L19: import { createRequire } from 'node:module';
L20: // 0.9.71: createRequire for resolving package.json versions inside ESM
L21: const __sdkVersionRequire = createRequire(import.meta.url);
...
L23: import { PassThrough } from 'node:stream';
L24: import { createGunzip } from 'node:zlib';
L25: // Resolve __dirname for this ESM module so we can find sibling files (e.g.
Critical
Download Execute
Source downloads or fetches remote code and executes it.
dist/index.jsView on unpkg · L11•matchType = previous_version_dangerous_delta
matchedPackage = osborn@0.9.79
matchedIdentity = npm:b3Nib3Ju:0.9.79
similarity = 0.714
summary = stored previous version shares package body but lacks this dangerous source file
Critical
Previous Version Dangerous Delta
This package version adds a dangerous source file absent from the previous stored version; route for source-aware review.
dist/index.jsView on unpkgdeploy.shView file
•path = deploy.sh
kind = build_helper
sizeBytes = 2309
magicHex = [redacted]
Medium
Findings
5 Critical2 High5 Medium5 Low
CriticalSame File Env Network Executiondist/index.js
CriticalCredential Exfiltrationdist/index.js
CriticalCommand Output Exfiltrationdist/index.js
CriticalDownload Executedist/index.js
CriticalPrevious Version Dangerous Deltadist/index.js
HighChild Processbin/cli.js
HighShell
MediumDynamic Requiredist/jsonl-search.js
MediumNetwork
MediumEnvironment Vars
MediumShips Build Helperdeploy.sh
MediumStructural Risk Force Deep Review
LowNon Install Lifecycle Scripts
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to osborn@0.9.153.
See all versions of osborn for other recorded verdicts.
- Review the evidence and your use of osborn@0.9.153 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: .
Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.