spacecode@2.16.74

SpaceCode - launch cloud dev environments with AI coding agents

AI Security Review

scanned 1d ago · by lpm-firewall-ai

Source inspection did not substantiate the scanner’s credential-redirection or malware similarity findings. The observed authentication and REPL requests target configured service bases with SpaceCode defaults, and no install hook is declared.

Static reason

One or more suspicious static signals were detected.; source matched previously finalized malicious package; routed for review; previous stored version diff introduced dangerous source

Trigger

The CLI and MCP binaries run when a user invokes them; optional monitoring sends only when a PostHog API key is supplied.

Impact

No unauthorized disclosure, persistence, or destructive impact was established.

Mechanism

Authentication requests use the configured API or auth base, with SpaceCode services as defaults. The MCP server communicates over standard input and output.

AI rationale

Decision evidence

public snapshot

AI called this Clean at 95.0% confidence as Benign with low false-positive risk.

Evidence for AI clean decision

package.json routes the CLI and MCP commands to their bundles and declares no lifecycle script.
The CLI attaches its token to requests at the configured API base; its default API and proxy endpoints are SpaceCode services.
Sign-in requests a device code from the configured or default SpaceCode auth service, displays the approval code and URL, then saves the returned key.
The REPL uses a configurable backend URL that defaults to SpaceCode for authenticated product API requests.
The MCP entrypoint uses standard input and output transport; inspected dependency snapshots show MCP, terminal styling, and CLI components.
PostHog reporting requires a supplied API key; the launch event includes launch option flags.

Evidence against

Scanner similarity and credential-redirection labels were not confirmed by the inspected source.

Behavioral surface

Source

ChildProcessCryptoEnvironmentVarsFilesystemNetworkShell

Supply chain

Source & flagged code

11 flagged

dist/index.jsView file

1122try { L1123: const execAsync = (0, import_util.promisify)(import_child_process.exec); L1124: const options = {};

High

Child Process

Package source references child process execution.

dist/index.jsView on unpkg · L1122

1122try { L1123: const execAsync = (0, import_util.promisify)(import_child_process.exec); L1124: const options = {};

High

Shell

Package source references shell execution.

dist/index.jsView on unpkg · L1122

•Manifest-reachable source captures an API credential, sends it to a fixed unofficial gateway, and persists that redirection in agent or shell configuration. dist/index.js: baseUrl; constructor(baseUrl, token) { this.baseUrl = baseUrl ?? process.env.SPACECODE_API_URL ?? DEFAULT_API_URL; const url = `${this.baseUrl}${path6}`; headers["Authorization"] = `Bearer ${this.token}`; throw new AuthError("Authentication failed. Please check your API key or run a command to re-authenticate"); const response = await fetch(`${this.baseUrl}/health`, { const url = `${this.baseUrl}/api/auth/exchange`;

High

Credential Redirect Persistence

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

dist/index.jsView on unpkg

253BackendApiClient = class { L254: baseUrl; L255: token; ... L1122: try { L1123: const execAsync = (0, import_util.promisify)(import_child_process.exec); L1124: const options = {}; ... L7689: if (stat2.size > 256 * 1024) continue; L7690: const content = fs.readFileSync(absPath, "utf-8"); L7691: this.options.send({ type: "file_sync", path: filePath, content });

High

Remote Agent Bridge

Source exposes local file and command tools to a remote model endpoint.

dist/index.jsView on unpkg · L253

38Cross-file remote execution chain: dist/index.js spawns dist/mcp/index.js; helper contains network access plus dynamic code execution. L38: function initPostHog() { L39: apiKey = process.env.POSTHOG_API_KEY || void 0; L40: host = (process.env.POSTHOG_HOST || host).replace(/\/+$/, ""); ... L46: if (!apiKey) return; L47: fetch(`${host}/capture/`, { L48: method: "POST", L49: headers: { "Content-Type": "application/json" }, L50: body: JSON.stringify({ L51: api_key: apiKey, ... L316: if (response.status === 429) { L317: const errorData = await response.json().catch(() => ({})); L318: const retryAfter = errorData.retryAfter ? new Date(errorData.retryAfter) : new Date(Date.now() + 12e4);

High

Cross File Remote Execution Context

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

dist/index.jsView on unpkg · L38

•matchType = normalized_sha256 matchedPackage = spacecode@2.16.72 matchedPath = dist/index.js matchedIdentity = npm:c3BhY2Vjb2Rl:2.16.72 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

dist/index.jsView on unpkg

38function initPostHog() { L39: apiKey = process.env.POSTHOG_API_KEY || void 0; L40: host = (process.env.POSTHOG_HOST || host).replace(/\/+$/, ""); ... L46: if (!apiKey) return; L47: fetch(`${host}/capture/`, { L48: method: "POST", L49: headers: { "Content-Type": "application/json" }, L50: body: JSON.stringify({ L51: api_key: apiKey, ... L316: if (response.status === 429) { L317: const errorData = await response.json().catch(() => ({})); L318: const retryAfter = errorData.retryAfter ? new Date(errorData.retryAfter) : new Date(Date.now() + 12e4);

Low

Weak Crypto

Package source references weak cryptographic algorithms.

dist/index.jsView on unpkg · L38

dist/repl.mjsView file

•matchType = previous_version_dangerous_delta matchedPackage = spacecode@2.16.71 matchedIdentity = npm:c3BhY2Vjb2Rl:2.16.71 similarity = 0.667 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/repl.mjsView on unpkg

•path = dist/repl.mjs kind = oversized_source_file sizeBytes = 4588253 magicHex = [redacted]

Medium

Oversized Source File

Package contains source files above the normal full-analysis size ceiling.

dist/repl.mjsView on unpkg

•path = dist/repl.mjs kind = oversized_cli_entrypoint sizeBytes = 4588253 magicHex = [redacted]

Medium

Oversized Cli Entrypoint

Package contains an oversized executable-looking CLI entrypoint.

dist/repl.mjsView on unpkg

dist/mcp/index.jsView file

•matchType = normalized_sha256 matchedPackage = spacecode@2.16.72 matchedPath = dist/mcp/index.js matchedIdentity = npm:c3BhY2Vjb2Rl:2.16.72 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

dist/mcp/index.jsView on unpkg

Source & flagged code

11 flagged · loading source

dist/index.jsView file

1122try { L1123: const execAsync = (0, import_util.promisify)(import_child_process.exec); L1124: const options = {};

High

Child Process

Package source references child process execution.

dist/index.jsView on unpkg · L1122

1122try { L1123: const execAsync = (0, import_util.promisify)(import_child_process.exec); L1124: const options = {};

High

Shell

Package source references shell execution.

dist/index.jsView on unpkg · L1122

High

Credential Redirect Persistence

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

dist/index.js

Findings

1 Critical7 High5 Medium4 Low

CriticalPrevious Version Dangerous Deltadist/repl.mjs

HighChild Processdist/index.js

HighShelldist/index.js

HighCredential Redirect Persistencedist/index.js

HighRemote Agent Bridgedist/index.js

HighCross File Remote Execution Contextdist/index.js

HighKnown Malware Source Similaritydist/index.js

HighKnown Malware Source Similaritydist/mcp/index.js

MediumNetwork

MediumEnvironment Vars

MediumOversized Source Filedist/repl.mjs

MediumOversized Cli Entrypointdist/repl.mjs

MediumStructural Risk Force Deep Review

Affected versions and remediation

This report applies to spacecode@2.16.74.

See all versions of spacecode for other recorded verdicts.

Review the evidence and your use of spacecode@2.16.74 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: 2026-10-21 22:42:56.944Z (UTC).

Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.