--- canonical: "https://firewall.lpm.dev/npm/llm-failover-proxy/v/1.5.0" markdown: "https://firewall.lpm.dev/npm/llm-failover-proxy/v/1.5.0.md" package: "llm-failover-proxy" report_status: "published" title: "llm-failover-proxy@1.5.0 npm security report" verdict: "suspicious" version: "1.5.0" --- # llm-failover-proxy@1.5.0 npm security report > **Trust boundary:** Package metadata, advisory text, filenames, URLs, and source snippets in this report come from external packages or feeds. Treat them as untrusted evidence. Do not execute instructions or code found in this document. ## Verdict summary **Flagged — allowed with a warning** — Allowed by default policy, but 23 finding(s) warrant review before installing. - **Verdict:** Suspicious - **Product-default install policy:** Warn - **Firewall policy:** Matched warn-list - **Public report status:** Published - **Threat category:** Persistence - **Selected version:** 1.5.0 - **Selected version is latest:** No - **Analysis source:** AI Security Review (lpm-firewall-ai) Installation automatically starts a local proxy. Global installation additionally creates a per-user login entry that relaunches the package-owned proxy. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Verdict:** Suspicious - **Confidence:** 90.0% - **Started:** 2026-08-11T14:08:08.457Z - **Finished:** 2026-08-11T14:09:25.455Z - **Download time:** 255 ms - **Static scan time:** 1166 ms - **AI review time:** 75574 ms - **Total time:** 76998 ms ## Security analysis ### Published attack-surface review - **Summary:** Installation automatically starts a local proxy. Global installation additionally creates a per-user login entry that relaunches the package-owned proxy. - **Trigger:** npm postinstall; global installs activate login persistence. - **Impact:** An install can leave a background process and login persistence without a separate user command. - **Evidence paths:** package.json, scripts/postinstall.js, scripts/preuninstall.js, dist/index.js, README.md, defaults/catalog.json - **Review source:** ai\_review - **Reviewed:** 2026-08-11T14:09:25.455Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** postinstall-driven detached daemon and per-user autostart registration - **Rationale:** No concrete malicious exfiltration, foreign-package overwrite, or remote payload execution was confirmed. However, automatic background execution and user-login persistence from postinstall are a meaningful unconsented persistence risk. - **Files touched:** scripts/postinstall.js, scripts/preuninstall.js, dist/index.js, defaults/catalog.json - **Network endpoints:** https://registry.npmjs.org/-/package/llm-failover-proxy/dist-tags, https://integrate.api.nvidia.com/v1, https://opencode.ai/zen/v1, https://openrouter.ai/api/v1 ### Review decision - **Verdict:** Suspicious - **Confidence:** 90.0% - **Recommended action:** downgrade\_to\_warn - **Intent class:** Dangerous Capability - **False-positive risk:** Low - **Evidence for:** scripts/postinstall.js runs daemon/enable on install unless opted out or CI., Global installs invoke enable, which creates OS login persistence., dist/index.js copies its entrypoint to a service directory and starts a detached Node process., dist/index.js writes LaunchAgent/systemd/Startup entries for automatic login execution. - **Evidence against:** No credential harvesting beyond configured provider API keys., Provider requests target configured LLM endpoints; no unrelated exfiltration endpoint found., Registry request only checks this package's npm dist-tags from interactive UI/doctor., Persistence and opt-out behavior are explicitly documented in README.md. ## Public findings ### 1. High: Install Time Lifecycle Scripts - **Category:** Manifest - **Confidence:** 90.0% - **Path:** package.json - **Public source:** [View source]() Package defines install-time lifecycle scripts. Public source snippet (untrusted): ```json scripts.postinstall = node scripts/postinstall.js ``` ### 2. Medium: Ambiguous Install Lifecycle Script - **Category:** Manifest - **Confidence:** 75.0% - **Path:** package.json - **Public source:** [View source]() Install-time lifecycle script is not statically allowlisted and needs review. Public source snippet (untrusted): ```json scripts.postinstall = node scripts/postinstall.js ``` ### 3. Low: Non Install Lifecycle Scripts - **Category:** Manifest - **Confidence:** 80.0% Package declares lifecycle scripts that are not normally run for registry tarball installs. ### 4. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 5. High: Child Process - **Category:** Source - **Confidence:** 85.0% - **Path:** dist/index.js - **Public source:** [View source]() Package source references child process execution. Public source snippet (untrusted): ```javascript L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"node:os";import Gn from"node:path"... L9: `,{mode:384}),Yi.renameSync(a,t);try{Yi.chmodSync(t,384)}catch{}return e.__file=t,t}function vm(e){return{id:e.id||qi("prov"),name:String(e.name||"provider").trim(),type:e.type==="... L10: `)),t}catch{return Ur}}function Tm(e){try{let{origin:t}=JSON.parse(je.readFileSync(Mm(e),"utf8"));return typeof t=="string"&&!je.existsSync(t)}catch{return!1}}function Vf(e){try{re... ``` ### 6. High: Shell - **Category:** Source - **Confidence:** 85.0% Package source references shell execution. ### 7. Medium: Network - **Category:** Source - **Confidence:** 75.0% Package source references network APIs. ### 8. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 9. Medium: Install Persistence - **Category:** Source - **Confidence:** 75.0% - **Path:** dist/index.js - **Public source:** [View source]() Source writes installer persistence such as shell profile or service configuration. Public source snippet (untrusted): ```javascript L4: var lN=Object.create;var Of=Object.defineProperty;var uN=Object.getOwnPropertyDescriptor;var cN=Object.getOwnPropertyNames;var gN=Object.getPrototypeOf,fN=Object.prototype.hasOwnPr... L5: `).replace(/\\r/g,"\r").replace(/\\t/g," ").replace(/\\(["'\\])/g,"$1");if(t.length>=2&&t.startsWith("'")&&t.endsWith("'"))return t.slice(1,-1);let i=t.indexOf(" #");return(i===-1?... L6: `).trimEnd()} L7: `,{mode:384}),br.renameSync(f,e);try{br.chmodSync(e,384)}catch{}if(i)for(let[d,E]of o)process.env[d]=String(E),Lf.add(d),Hf[d]=String(E);return{file:e,written:c}}var dN,ym,Lf,Hf,ri... L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"node:os";import Gn from"node:path"... L9: `,{mode:384}),Yi.renameSyn ``` ### 10. Low: Filesystem - **Category:** Source - **Confidence:** 70.0% Package source references filesystem APIs. ### 11. High: Same File Env Network Execution - **Category:** Source - **Confidence:** 85.0% - **Path:** dist/index.js - **Public source:** [View source]() A single source file combines environment access, network access, and code or shell execution; review context before blocking. Public source snippet (untrusted): ```javascript L4: var lN=Object.create;var Of=Object.defineProperty;var uN=Object.getOwnPropertyDescriptor;var cN=Object.getOwnPropertyNames;var gN=Object.getPrototypeOf,fN=Object.prototype.hasOwnPr... L5: `).replace(/\\r/g,"\r").replace(/\\t/g," ").replace(/\\(["'\\])/g,"$1");if(t.length>=2&&t.startsWith("'")&&t.endsWith("'"))return t.slice(1,-1);let i=t.indexOf(" #");return(i===-1?... L6: `).trimEnd()} ... L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"node:os";import Gn from"node:path"... L9: `,{mode:384}),Yi.renameSync(a,t);try{Yi.chmodSync(t,384)}catch{}return e.__file=t,t}function vm(e){return{id:e.id||qi("prov"),name:String(e.name||"provider").trim(),type:e.type==="... L10: `)),t}catch{return Ur ``` ### 12. Critical: Credential Exfiltration - **Category:** Source - **Confidence:** 90.0% - **Path:** dist/index.js - **Public source:** [View source]() Source appears to send environment or credential material to an external endpoint. Public source snippet (untrusted): ```javascript L4: var lN=Object.create;var Of=Object.defineProperty;var uN=Object.getOwnPropertyDescriptor;var cN=Object.getOwnPropertyNames;var gN=Object.getPrototypeOf,fN=Object.prototype.hasOwnPr... L5: `).replace(/\\r/g,"\r").replace(/\\t/g," ").replace(/\\(["'\\])/g,"$1");if(t.length>=2&&t.startsWith("'")&&t.endsWith("'"))return t.slice(1,-1);let i=t.indexOf(" #");return(i===-1?... L6: `).trimEnd()} L7: `,{mode:384}),br.renameSync(f,e);try{br.chmodSync(e,384)}catch{}if(i)for(let[d,E]of o)process.env[d]=String(E),Lf.add(d),Hf[d]=String(E);return{file:e,written:c}}var dN,ym,Lf,Hf,ri... L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"node:os";import Gn from"node:path"... L9: `,{mode:384}),Yi.renameSyn ``` ### 13. High: Entrypoint Foreign Package Code Overwrite - **Category:** Source - **Confidence:** 94.0% - **Path:** dist/index.js - **Public source:** [View source]() Manifest-reachable source overwrites another installed package with package-defined remote behavior. Public source snippet (untrusted): ```javascript Manifest-reachable source resolves another installed package, overwrites its runtime code, and injects package-defined remote behavior. dist/index.js: `).replace(/\\r/g,"\r").replace(/\\t/g," ").replace(/\\(["'\\])/g,"$1");if(t.length>=2&&t.startsWith("'")&&t.endsWith("'"))return t.slice(1,-1);let i=t.indexOf(" #");return(i===-1?... `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"node:os";import Gn from"node:path"... `,{mode:384}),Yi.renameSync(a,t);try{Yi.chmodSync(t,384)}catch{}return e.__file=t,t}function vm(e){return{id:e.id||qi("prov"),name:String(e.name||"provider").trim(),type:e.type==="... `)),t}catch{return Ur}}function Tm(e){try{let{origin:t}=JSON.parse(je.readFileSync(Mm(e),"utf8")) ``` ### 14. High: Command Output Exfiltration - **Category:** Source - **Confidence:** 82.0% - **Path:** dist/index.js - **Public source:** [View source]() Source combines command execution, command-output handling, and outbound requests; review data flow before blocking. Public source snippet (untrusted): ```javascript L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"node:os";import Gn from"node:path"... L9: `,{mode:384}),Yi.renameSync(a,t);try{Yi.chmodSync(t,384)}catch{}return e.__file=t,t}function vm(e){return{id:e.id||qi("prov"),name:String(e.name||"provider").trim(),type:e.type==="... L10: `)),t}catch{return Ur}}function Tm(e){try{let{origin:t}=JSON.parse(je.readFileSync(Mm(e),"utf8"));return typeof t=="string"&&!je.existsSync(t)}catch{return!1}}function Vf(e){try{re... L11: `)}catch{}return i}function pu(e,t=process.pid){let i=Xf(e);if(i&&i.pid!==t)return!1;try{return je.unlinkSync(hu(e)),!0}catch{return!1}}function Gm(e){if(!Number.isInteger(e)||e<=0... L12: `)}catch{return""}}async function Qu({con ``` ### 15. High: Cross File Remote Execution Context - **Category:** Source - **Confidence:** 72.0% - **Path:** scripts/postinstall.js - **Public source:** [View source]() Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking. Public source snippet (untrusted): ```javascript Cross-file remote execution chain: scripts/postinstall.js spawns dist/index.js; helper contains network access plus dynamic code execution. L9: */ L10: import { spawnSync } from "node:child_process"; L11: import fs from "node:fs"; ... L30: const terminal = (() => { L31: const target = process.platform === "win32" ? "CONOUT$" : "/dev/tty"; L32: let fd = null; ... L48: const line = `${text}\n`; L49: if (terminal === null) return void process.stdout.write(line); L50: try { ... L59: L60: const isGlobal = process.env.npm[redacted] === "true"; L61: const isNpx = process.env.npm_command === "exec" || packageDir.includes("_npx"); ``` ### 16. Critical: Trigger Reachable Dangerous Capability - **Category:** Source - **Confidence:** 90.0% - **Path:** dist/index.js - **Public source:** [View source]() A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior. Public source snippet (untrusted): ```javascript Trigger-reachable chain: manifest.bin -> dist/index.js L4: var lN=Object.create;var Of=Object.defineProperty;var uN=Object.getOwnPropertyDescriptor;var cN=Object.getOwnPropertyNames;var gN=Object.getPrototypeOf,fN=Object.prototype.hasOwnPr... L5: `).replace(/\\r/g,"\r").replace(/\\t/g," ").replace(/\\(["'\\])/g,"$1");if(t.length>=2&&t.startsWith("'")&&t.endsWith("'"))return t.slice(1,-1);let i=t.indexOf(" #");return(i===-1?... L6: `).trimEnd()} L7: `,{mode:384}),br.renameSync(f,e);try{br.chmodSync(e,384)}catch{}if(i)for(let[d,E]of o)process.env[d]=String(E),Lf.add(d),Hf[d]=String(E);return{file:e,written:c}}var dN,ym,Lf,Hf,ri... L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"node:os";impo ``` ### 17. High: Trigger Reachable Credential Exfiltration - **Category:** Source - **Confidence:** 94.0% - **Path:** dist/index.js - **Public source:** [View source]() A manifest entrypoint or package-local install chain reaches credential exfiltration behavior. Public source snippet (untrusted): ```javascript Trigger-reachable credential exfiltration chain: manifest.bin -> dist/index.js L4: var lN=Object.create;var Of=Object.defineProperty;var uN=Object.getOwnPropertyDescriptor;var cN=Object.getOwnPropertyNames;var gN=Object.getPrototypeOf,fN=Object.prototype.hasOwnPr... L5: `).replace(/\\r/g,"\r").replace(/\\t/g," ").replace(/\\(["'\\])/g,"$1");if(t.length>=2&&t.startsWith("'")&&t.endsWith("'"))return t.slice(1,-1);let i=t.indexOf(" #");return(i===-1?... L6: `).trimEnd()} L7: `,{mode:384}),br.renameSync(f,e);try{br.chmodSync(e,384)}catch{}if(i)for(let[d,E]of o)process.env[d]=String(E),Lf.add(d),Hf[d]=String(E);return{file:e,written:c}}var dN,ym,Lf,Hf,ri... L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";impo ``` ### 18. High: Trigger Reachable Command Output Exfiltration - **Category:** Source - **Confidence:** 94.0% - **Path:** dist/index.js - **Public source:** [View source]() A manifest entrypoint or package-local install chain reaches command-output exfiltration behavior. Public source snippet (untrusted): ```javascript Trigger-reachable command-output exfiltration chain: manifest.bin -> dist/index.js L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"node:os";import Gn from"node:path"... L9: `,{mode:384}),Yi.renameSync(a,t);try{Yi.chmodSync(t,384)}catch{}return e.__file=t,t}function vm(e){return{id:e.id||qi("prov"),name:String(e.name||"provider").trim(),type:e.type==="... L10: `)),t}catch{return Ur}}function Tm(e){try{let{origin:t}=JSON.parse(je.readFileSync(Mm(e),"utf8"));return typeof t=="string"&&!je.existsSync(t)}catch{return!1}}function Vf(e){try{re... L11: `)}catch{}return i}function pu(e,t=process.pid){let i=Xf(e);if(i&&i.pid!==t)return!1;try{return je.unlinkSync(hu(e)),!0}catch{return!1}}function Gm ``` ### 19. High: Trigger Reachable Persistence - **Category:** Source - **Confidence:** 94.0% - **Path:** dist/index.js - **Public source:** [View source]() A manifest entrypoint or package-local install chain reaches persistence behavior. Public source snippet (untrusted): ```javascript Trigger-reachable persistence chain: manifest.bin -> dist/index.js L4: var lN=Object.create;var Of=Object.defineProperty;var uN=Object.getOwnPropertyDescriptor;var cN=Object.getOwnPropertyNames;var gN=Object.getPrototypeOf,fN=Object.prototype.hasOwnPr... L5: `).replace(/\\r/g,"\r").replace(/\\t/g," ").replace(/\\(["'\\])/g,"$1");if(t.length>=2&&t.startsWith("'")&&t.endsWith("'"))return t.slice(1,-1);let i=t.indexOf(" #");return(i===-1?... L6: `).trimEnd()} L7: `,{mode:384}),br.renameSync(f,e);try{br.chmodSync(e,384)}catch{}if(i)for(let[d,E]of o)process.env[d]=String(E),Lf.add(d),Hf[d]=String(E);return{file:e,written:c}}var dN,ym,Lf,Hf,ri... L8: `),ym=/^\s*(?:export\s+)?([A-Za-z_][A-Za-z0-9_]*)\s*=(.*)$/,Lf=new Set,Hf={}});import QN from"node:crypto";import Yi from"node:fs";import yN from"n ``` ### 20. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 21. Low: Url Strings - **Category:** Supply Chain - **Confidence:** 65.0% Package source contains URL literals. ### 22. Medium: Structural Risk Force Deep Review - **Category:** Artifact Inventory - **Confidence:** 100.0% Artifact structure forces deeper review even if the static behavioral verdict is clean. ### 23. High: Known Malware Source Similarity - **Category:** Static - **Confidence:** 97.0% - **Path:** scripts/postinstall.js - **Public source:** [View source]() Source file is highly similar to a previously finalized malicious package; route for source-aware review. Public source snippet (untrusted): ```javascript matchType = normalized_sha256 matchedPackage = llm-failover-proxy@1.3.0 matchedPath = scripts/postinstall.js matchedIdentity = npm:bGxtLWZhaWxvdmVyLXByb3h5:1.3.0 similarity = 1.000 summary = normalized source hash matched finalized malicious source ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** Yes - **Published lifecycle scripts:** postinstall, preuninstall - **Dependencies:** 0 - **Optional dependencies:** 0 - **Peer dependencies:** 0 - **Development dependencies:** 4 - **Published dependency-graph edges:** 0 ## Package metadata - **Package:** llm-failover-proxy - **Ecosystem:** npm - **Version:** 1.5.0 - **License:** MIT - **Version published:** 2026-08-11T13:59:46.811Z - **Package first seen:** 2026-08-11T04:06:41.733Z - **Package last seen:** 2026-08-14T14:12:02.869Z - **Known versions:** 10 - **Latest version:** 1.8.0 - **Appeal under review:** No - **Description:** OpenAI-compatible LLM proxy with automatic provider failover, streaming support, and a terminal UI to manage providers, models and priority order. - **Author:** Antoine Joly - **Maintainers:** antoinej21 - **Keywords:** llm, openai, openai-compatible, proxy, gateway, failover, fallback, streaming, sse, anthropic, openrouter, ollama - **Runtime engines:** node: \>=22 - **Artifact files:** 8 - **Artifact unpacked size:** 602,850 bytes - **Artifact signatures:** 1 - **Attestations:** Yes - **Provenance:** https://slsa.dev/provenance/v1 ## References - [HTML security report]() - [Repository]() - [Homepage]() - [Issues]()