@mastra/blaxel@0.8.0

Blaxel cloud sandbox provider for Mastra workspaces

Static Scan Results

scanned 1mo ago · by rust-scanner

Static analysis completed at 65.0% confidence. No malicious behavior was detected; 4 low-signal pattern(s) were surfaced and cleared.

Static reason

No blocking static signals were detected.

Decision evidence

public snapshot

Behavioral surface

Source

CryptoEnvironmentVars

Supply chain

UrlStrings

ManifestNo manifest risk signals triggered.

scanned 2 file(s), 83.6 KB of source, external domains: packages.cloud.google.com

Source & flagged code

1 flagged

dist/index.jsView file

Lines 39-79javascript

39/**

40* Validate and normalize a mount prefix before interpolating into shell commands.

41* Returns the normalized prefix (no leading/trailing slashes).

42*

43* Shell safety is handled by shellQuote() at the call site, so this function

44* only enforces path-level rules (no traversal, no empty result, no control chars).

45*/

46function validatePrefix(prefix) {

47 let normalized = prefix;

48 while (normalized.startsWith("/")) normalized = normalized.slice(1);

49 while (normalized.endsWith("/")) normalized = normalized.slice(0, -1);

50 if (!normalized) throw new Error("Mount prefix cannot be empty after normalization.");

51 if (normalized.includes("//") || normalized.split("/").some((s) => s === "." || s === "..")) throw new Error(`Invalid mount prefix: "${

52 if (/[\x00-\x1f\x7f]/.test(normalized)) throw new Error(`Invalid mount prefix: "${prefix}". Control characters are not allowed.`);

53 return normalized;

54}

55/**

56* Detect the system package manager available in the sandbox.

57* Returns 'apt' for Debian/Ubuntu, 'apk' for Alpine, or 'unknown'.

58*/

59async function detectPackageManager(sandbox) {

60 const pm = (await runCommand(sandbox, "which apt-get >/dev/null 2>&1 && echo \"apt\" || (which apk >/dev/null 2>&1 && echo \"apk\" || echo \"unknown\")")).stdout.trim();

61 if (pm === "apt") return "apt";

Low

Weak Crypto

Package source references weak cryptographic algorithms.

dist/index.jsView on unpkg · L59

62 if (pm === "apk") return "apk";

63 return "unknown";

64}

65/**

66* Run a command in the Blaxel sandbox and return the result.

67* Wraps the process.exec API to match the command execution pattern used in mount operations.

68*

69* Does NOT throw on non-zero exit codes — callers should check `exitCode` themselves.

70*/

71async function runCommand(sandbox, command, options) {

72 const result = await sandbox.process.exec({

73 command,

74 waitForCompletion: true,

75 ...options?.timeout && { timeout: Math.ceil(options.timeout / 1e3) }

76 });

77 return {

78 exitCode: result.exitCode ?? 0,

79 stdout: result.stdout ?? "",

Source & flagged code

1 flagged · loading source

dist/index.jsView file

59async function detectPackageManager(sandbox) { L60: const pm = (await runCommand(sandbox, "which apt-get >/dev/null 2>&1 && echo \"apt\" || (which apk >/dev/null 2>&1 && echo \"apk\" || echo \"unknown\")")).stdout.trim(); L61: if (pm === "apt") return "apt"; ... L126: await runCommand(sandbox, `rm -f ${credentialsPath}`); L127: await sandbox.fs.write(credentialsPath, credentialsContent); L128: await runCommand(sandbox, `chmod 600 ${credentialsPath}`); ... L181: if (prepResult.exitCode !== 0) throw new Error(`Failed to install gcsfuse prerequisites.\nError details: ${prepResult.stderr || prepResult.stdout}`); L182: const installResult = await runCommand(sandbox, `curl -fsSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | gpg --dearmor -o /etc/apt/keyrings/gcsfuse.gpg && echo "d

Low

Weak Crypto

Package source references weak cryptographic algorithms.

dist/index.jsView on unpkg · L59

Findings

1 Medium3 Low

MediumEnvironment Vars

LowScripts Present

LowWeak Cryptodist/index.js

LowUrl Strings

Affected versions and remediation

This report applies to @mastra/blaxel@0.8.0.

See all versions of @mastra/blaxel for other recorded verdicts.

Review the evidence and your use of @mastra/blaxel@0.8.0 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: 2026-09-19 01:47:51.649Z (UTC).

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

Static Scan Results

Decision evidence

Source & flagged code

Source & flagged code

Findings

Affected versions and remediation

Related packages

More from @mastra

Behavioral surface

Related packages

More from @mastra

Source & flagged code