@reason-machines/cli-darwin-arm64@0.2.410
Reason CLI native binary for darwin-arm64
AI Security Review
scanned 4d ago · by lpm-firewall-aiThe bundled executable exports locally saved Claude Code, Codex, and Grok access tokens to Reason’s service when the worker starts. Because this transfer is enabled by default without recipient-specific affirmative consent, it is concrete credential exfiltration.
Static reason
One or more suspicious static signals were detected.
Trigger
A Reason worker starts with local logins enabled, which is the default for fresh configuration.
Impact
Reason receives credentials for other services without a recipient-specific affirmative consent step.
Mechanism
The worker reads locally saved credentials, selects access tokens, and submits them through the local-subscription API.
Attack narrative
When a Reason worker starts, it gathers saved provider credentials and sends current access tokens to Reason’s local-subscription endpoint. The setting defaults on, and the documented connection flow does not provide recipient-specific affirmative consent for exporting credentials from those other services.
AI rationale
The bundled executable exports locally saved Claude Code, Codex, and Grok access tokens to Reason’s service when the worker starts. Because this transfer is enabled by default without recipient-specific affirmative consent, it is concrete credential exfiltration.
Evidence
.lpm-inspection-9yjcRP/0-dbc10cd6ddb1.txt
Decision evidence
public snapshotAI called this Malicious at 94.0% confidence as Malware with low false-positive risk.
Evidence for block
- The flagged runtime code lists agent directories among protected paths; this excerpt does not show a configuration write.
- The bundled executable reads locally stored provider credentials and reduces them to provider, access token, and expiry fields.
- It forwards each new token to the local-subscription endpoint when local logins are enabled; fresh configuration defaults that setting on.
- The package describes local logins as on by default and says Reason receives each login’s current access token.
Evidence against
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystem
HighEntropyStringsMinifiedPossibleObfuscationUrlStrings
NoLicense
Source & flagged code
6 flagged · loading sourcebin/runtime/srt/sandbox-runtime.mjsView file
60mux backend dial failed (${d})
L61: `)}),l.on("error",()=>c.destroy()),l.once("close",()=>c.destroy()),c.once("close",()=>l.destroy()),l.pipe(c),c.pipe(l)}let o=ux((l)=>{a.add(l),l.once("close",()=>a.delete(l)),l.on(...
L62: `).filter(Boolean);if(y===1)return[];throw Error(`ripgrep failed with exit code ${y}: ${f}`)}import{join as ur,dirname as Lx}from"path";import{fileURLToPath as Ox}from"url";import*...
High
Child Process
Package source references child process execution.
bin/runtime/srt/sandbox-runtime.mjsView on unpkg · L6055\r
L56: `)}}),t.on("request",async(r,i)=>{r.on("error",(a)=>{C(`Client request error: ${a.message}`,{level:"error"})}),i.on("error",(a)=>{C(`Client response error: ${a.message}`,{level:"er...
L57: `)),e.end(cx(s))}function Tl(e){return Buffer.from([5,e,0,1,0,0,0,0,0,0])}function lx(e){return new Promise((t)=>{let n=Buffer.alloc(0),r=(s)=>{e.off("data",a),clearTimeout(i),t(s)...
...
L60: mux backend dial failed (${d})
L61: `)}),l.on("error",()=>c.destroy()),l.once("close",()=>c.destroy()),c.once("close",()=>l.destroy()),l.pipe(c),c.pipe(l)}let o=ux((l)=>{a.add(l),l.once("close",()=>a.delete(l)),l.on(...
L62: `).filter(Boolean);if(y===1)return[];throw Error(`ripgrep failed with exit code ${y}: ${f}`)}import{join as ur,dirname as Lx}from"path";import{fileURLToPath as Ox}from"url";import*
High
Same File Env Network Execution
A single source file combines environment access, network access, and code or shell execution; review context before blocking.
Findings
5 High3 Medium4 Low
HighChild Processbin/runtime/srt/sandbox-runtime.mjs
HighSame File Env Network Executionbin/runtime/srt/sandbox-runtime.mjs
HighCommand Output Exfiltrationbin/runtime/srt/sandbox-runtime.mjs
HighAi Review Evidencebin/runtime/srt/sandbox-runtime.mjs
HighAi Review Evidence.lpm-inspection-9yjcRP/0-dbc10cd6ddb1.txt
MediumEnvironment Vars
MediumShips Native Binarybin/Background/Reason.app/Contents/MacOS/ReasonBackgroundIdentity
MediumStructural Risk Force Deep Review
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
LowNo License
Affected versions and remediation
This report applies to @reason-machines/cli-darwin-arm64@0.2.410.
See all versions of @reason-machines/cli-darwin-arm64 for other recorded verdicts.
- Avoid installing @reason-machines/cli-darwin-arm64@0.2.410. Remove it from direct dependencies and check your lockfile for transitive copies.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
- If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.
Evidence last updated: .
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